3480000 has 140 divisors (see below), whose sum is σ = 11902440. Its totient is φ = 896000.

The previous prime is 3479999. The next prime is 3480007. The reversal of 3480000 is 843.

It is a super-2 number, since 2×3480000² = 24220800000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3480007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 119986 + ... + 120014.

Almost surely, 2^3480000 is an apocalyptic number.

3480000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5951220).

3480000 is an abundant number, since it is smaller than the sum of its proper divisors (8422440).

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

3480000 is an equidigital number, since it uses as much as digits as its factorization.

3480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3480000 is about 1865.4758106178. The cubic root of 3480000 is about 151.5396970335.

Adding to 3480000 its reverse (843), we get a palindrome (3480843).

It can be divided in two parts, 3 and 480000, that multiplied together give a square (1440000 = 1200²).

The spelling of 3480000 in words is "three million, four hundred eighty thousand".