90956169 has 8 divisors (see below), whose sum is σ = 134749920. Its totient is φ = 60637428.

The previous prime is 90956161. The next prime is 90956197. The reversal of 90956169 is 96165909.

It is not a de Polignac number, because 90956169 - 2³ = 90956161 is a prime.

It is a super-2 number, since 2×90956169² = 16546049358313122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90956161) 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, 1684347 + ... + 1684400.

It is an arithmetic number, because the mean of its divisors is an integer number (16843740).

Almost surely, 2^90956169 is an apocalyptic number.

It is an amenable number.

90956169 is a deficient number, since it is larger than the sum of its proper divisors (43793751).

90956169 is a wasteful number, since it uses less digits than its factorization.

90956169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368756 (or 3368750 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 90956169 is about 9537.0943688316. The cubic root of 90956169 is about 449.7219170796.

It can be divided in two parts, 90956 and 169, that added together give a cube (91125 = 45³).

The spelling of 90956169 in words is "ninety million, nine hundred fifty-six thousand, one hundred sixty-nine".