2356965 has 64 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 1078272.

The previous prime is 2356943. The next prime is 2356973. The reversal of 2356965 is 5696532.

It is not a de Polignac number, because 2356965 - 2⁵ = 2356933 is a prime.

It is a super-2 number, since 2×2356965² = 11110568022450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

2356965 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29796 + ... + 29874.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2^2356965 is an apocalyptic number.

It is an amenable number.

2356965 is an abundant number, since it is smaller than the sum of its proper divisors (2481435).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2356965 is a wasteful number, since it uses less digits than its factorization.

2356965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 117 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 2356965 is about 1535.2410234227. The cubic root of 2356965 is about 133.0815073158.

It can be divided in two parts, 2356 and 965, that added together give a triangular number (3321 = T₈₁).

The spelling of 2356965 in words is "two million, three hundred fifty-six thousand, nine hundred sixty-five".