3457657 has 8 divisors (see below), whose sum is σ = 3972032. Its totient is φ = 2948400.

The previous prime is 3457651. The next prime is 3457703. The reversal of 3457657 is 7567543.

3457657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3457657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3457651) 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, 307 + ... + 2647.

It is an arithmetic number, because the mean of its divisors is an integer number (496504).

Almost surely, 2^3457657 is an apocalyptic number.

It is an amenable number.

3457657 is a deficient number, since it is larger than the sum of its proper divisors (514375).

3457657 is a wasteful number, since it uses less digits than its factorization.

3457657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559.

The product of its digits is 88200, while the sum is 37.

The square root of 3457657 is about 1859.4776148155. The cubic root of 3457657 is about 151.2146851959.

It can be divided in two parts, 3457 and 657, that added together give a palindrome (4114).

The spelling of 3457657 in words is "three million, four hundred fifty-seven thousand, six hundred fifty-seven".