3955490 has 48 divisors (see below), whose sum is σ = 8963136. Its totient is φ = 1230240.

The previous prime is 3955459. The next prime is 3955493. The reversal of 3955490 is 945593.

3955490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3955490² = 31291802280200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 3955490.

It is not an unprimeable number, because it can be changed into a prime (3955493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8237 + ... + 8703.

It is an arithmetic number, because the mean of its divisors is an integer number (186732).

Almost surely, 2^3955490 is an apocalyptic number.

3955490 is an abundant number, since it is smaller than the sum of its proper divisors (5007646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3955490 is a wasteful number, since it uses less digits than its factorization.

3955490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 3955490 is about 1988.8413712511. The cubic root of 3955490 is about 158.1491141548.

It can be divided in two parts, 395 and 5490, that added together give a palindrome (5885).

The spelling of 3955490 in words is "three million, nine hundred fifty-five thousand, four hundred ninety".