3401257 has 8 divisors (see below), whose sum is σ = 3525984. Its totient is φ = 3278688.

The previous prime is 3401221. The next prime is 3401273. The reversal of 3401257 is 7521043.

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 3401257 - 2⁷ = 3401129 is a prime.

It is an Ulam number.

It is a Duffinian number.

3401257 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3401297) 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, 3093 + ... + 4045.

It is an arithmetic number, because the mean of its divisors is an integer number (440748).

Almost surely, 2^3401257 is an apocalyptic number.

It is an amenable number.

3401257 is a deficient number, since it is larger than the sum of its proper divisors (124727).

3401257 is an equidigital number, since it uses as much as digits as its factorization.

3401257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 3401257 is about 1844.2497119425. The cubic root of 3401257 is about 150.3879881619.

The spelling of 3401257 in words is "three million, four hundred one thousand, two hundred fifty-seven".