3040857 has 6 divisors (see below), whose sum is σ = 4392362. Its totient is φ = 2027232.

The previous prime is 3040823. The next prime is 3040861. The reversal of 3040857 is 7580403.

It can be written as a sum of positive squares in only one way, i.e., 2893401 + 147456 = 1701^2 + 384^2 .

It is not a de Polignac number, because 3040857 - 2⁷ = 3040729 is a prime.

It is a super-2 number, since 2×3040857² = 18493622588898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3040857.

It is not an unprimeable number, because it can be changed into a prime (3040867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168928 + ... + 168945.

Almost surely, 2^3040857 is an apocalyptic number.

It is an amenable number.

3040857 is a deficient number, since it is larger than the sum of its proper divisors (1351505).

3040857 is a wasteful number, since it uses less digits than its factorization.

3040857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337879 (or 337876 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3040857 is about 1743.8053217031. The cubic root of 3040857 is about 144.8767402764.

The spelling of 3040857 in words is "three million, forty thousand, eight hundred fifty-seven".