3480257 has 16 divisors (see below), whose sum is σ = 4136832. Its totient is φ = 2891520.

The previous prime is 3480251. The next prime is 3480271. The reversal of 3480257 is 7520843.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3480257 is a prime.

It is a super-2 number, since 2×3480257² = 24224377572098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3480251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6668 + ... + 7170.

It is an arithmetic number, because the mean of its divisors is an integer number (258552).

Almost surely, 2^3480257 is an apocalyptic number.

3480257 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3480257 is a deficient number, since it is larger than the sum of its proper divisors (656575).

3480257 is a wasteful number, since it uses less digits than its factorization.

3480257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 3480257 is about 1865.5446925764. The cubic root of 3480257 is about 151.5434273729.

The spelling of 3480257 in words is "three million, four hundred eighty thousand, two hundred fifty-seven".