3256457 has 8 divisors (see below), whose sum is σ = 3409920. Its totient is φ = 3106080.

The previous prime is 3256453. The next prime is 3256471. The reversal of 3256457 is 7546523.

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

It is a cyclic number.

It is not a de Polignac number, because 3256457 - 2² = 3256453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3256453) 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, 1544 + ... + 2982.

It is an arithmetic number, because the mean of its divisors is an integer number (426240).

Almost surely, 2^3256457 is an apocalyptic number.

It is an amenable number.

3256457 is a deficient number, since it is larger than the sum of its proper divisors (153463).

3256457 is a wasteful number, since it uses less digits than its factorization.

3256457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543.

The product of its digits is 25200, while the sum is 32.

The square root of 3256457 is about 1804.5655986968. The cubic root of 3256457 is about 148.2228351275. Note that the first 3 decimals are identical.

The spelling of 3256457 in words is "three million, two hundred fifty-six thousand, four hundred fifty-seven".