3457990 has 16 divisors (see below), whose sum is σ = 6330960. Its totient is φ = 1359520.

The previous prime is 3457973. The next prime is 3457991. The reversal of 3457990 is 997543.

3457990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3457991) 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 7 ways as a sum of consecutive naturals, for example, 2341 + ... + 3520.

It is an arithmetic number, because the mean of its divisors is an integer number (395685).

Almost surely, 2^3457990 is an apocalyptic number.

3457990 is a deficient number, since it is larger than the sum of its proper divisors (2872970).

3457990 is a wasteful number, since it uses less digits than its factorization.

3457990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5927.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 3457990 is about 1859.5671539366. The cubic root of 3457990 is about 151.2195394343.

The spelling of 3457990 in words is "three million, four hundred fifty-seven thousand, nine hundred ninety".