3649470 has 32 divisors (see below), whose sum is σ = 9555840. Its totient is φ = 884640.

The previous prime is 3649469. The next prime is 3649487. The reversal of 3649470 is 749463.

3649470 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5200 + ... + 5859.

It is an arithmetic number, because the mean of its divisors is an integer number (298620).

Almost surely, 2^3649470 is an apocalyptic number.

3649470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3649470 is an abundant number, since it is smaller than the sum of its proper divisors (5906370).

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

3649470 is a wasteful number, since it uses less digits than its factorization.

3649470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11080.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 3649470 is about 1910.3586050792. The cubic root of 3649470 is about 153.9607197282.

The spelling of 3649470 in words is "three million, six hundred forty-nine thousand, four hundred seventy".