3238857 has 12 divisors (see below), whose sum is σ = 4953780. Its totient is φ = 2032128.

The previous prime is 3238853. The next prime is 3238861. The reversal of 3238857 is 7588323.

It is an interprime number because it is at equal distance from previous prime (3238853) and next prime (3238861).

It can be written as a sum of positive squares in 2 ways, for example, as 2903616 + 335241 = 1704^2 + 579^2 .

It is not a de Polignac number, because 3238857 - 2² = 3238853 is a prime.

It is a super-5 number, since 5×3238857⁵ (a number of 34 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (3238853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10432 + ... + 10737.

It is an arithmetic number, because the mean of its divisors is an integer number (412815).

Almost surely, 2^3238857 is an apocalyptic number.

It is an amenable number.

3238857 is a deficient number, since it is larger than the sum of its proper divisors (1714923).

3238857 is a wasteful number, since it uses less digits than its factorization.

3238857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21192 (or 21189 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 3238857 is about 1799.6824719933. The cubic root of 3238857 is about 147.9553219170.

It can be divided in two parts, 3238 and 857, that added together give a triangular number (4095 = T₉₀).

The spelling of 3238857 in words is "three million, two hundred thirty-eight thousand, eight hundred fifty-seven".