90415269 has 12 divisors (see below), whose sum is σ = 149257056. Its totient is φ = 51665832.

The previous prime is 90415267. The next prime is 90415279. The reversal of 90415269 is 96251409.

90415269 is a `hidden beast` number, since 90 + 41 + 526 + 9 = 666.

It is not a de Polignac number, because 90415269 - 2¹ = 90415267 is a prime.

It is a super-2 number, since 2×90415269² = 16349841736684722, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90415267) 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, 717519 + ... + 717644.

It is an arithmetic number, because the mean of its divisors is an integer number (12438088).

Almost surely, 2^90415269 is an apocalyptic number.

It is an amenable number.

90415269 is a deficient number, since it is larger than the sum of its proper divisors (58841787).

90415269 is a wasteful number, since it uses less digits than its factorization.

90415269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435176 (or 1435173 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 90415269 is about 9508.6943898729. The cubic root of 90415269 is about 448.8286722557.

The spelling of 90415269 in words is "ninety million, four hundred fifteen thousand, two hundred sixty-nine".