3494440 has 32 divisors (see below), whose sum is σ = 7920000. Its totient is φ = 1387584.

The previous prime is 3494417. The next prime is 3494441. The reversal of 3494440 is 444943.

It is a super-2 number, since 2×3494440² = 24422221827200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3494399 and 3494408.

It is not an unprimeable number, because it can be changed into a prime (3494441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7741 + ... + 8179.

It is an arithmetic number, because the mean of its divisors is an integer number (247500).

Almost surely, 2^3494440 is an apocalyptic number.

It is an amenable number.

3494440 is an abundant number, since it is smaller than the sum of its proper divisors (4425560).

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

3494440 is a wasteful number, since it uses less digits than its factorization.

3494440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 3494440 is about 1869.3421302694. The cubic root of 3494440 is about 151.7490086759.

The spelling of 3494440 in words is "three million, four hundred ninety-four thousand, four hundred forty".