90370969 has 4 divisors (see below), whose sum is σ = 97322596. Its totient is φ = 83419344.

The previous prime is 90370967. The next prime is 90370991. The reversal of 90370969 is 96907309.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53465344 + 36905625 = 7312^2 + 6075^2 .

It is a cyclic number.

It is not a de Polignac number, because 90370969 - 2¹ = 90370967 is a prime.

It is a super-2 number, since 2×90370969² = 16333824075997922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90370967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3475794 + ... + 3475819.

It is an arithmetic number, because the mean of its divisors is an integer number (24330649).

Almost surely, 2^90370969 is an apocalyptic number.

It is an amenable number.

90370969 is a deficient number, since it is larger than the sum of its proper divisors (6951627).

90370969 is a wasteful number, since it uses less digits than its factorization.

90370969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951626.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 90370969 is about 9506.3646574282. The cubic root of 90370969 is about 448.7553573588.

The spelling of 90370969 in words is "ninety million, three hundred seventy thousand, nine hundred sixty-nine".