90844929 has 16 divisors (see below), whose sum is σ = 153811840. Its totient is φ = 51911280.

The previous prime is 90844913. The next prime is 90844933. The reversal of 90844929 is 92944809.

It is not a de Polignac number, because 90844929 - 2⁴ = 90844913 is a prime.

It is a super-2 number, since 2×90844929² = 16505602250030082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90844829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240142 + ... + 240519.

It is an arithmetic number, because the mean of its divisors is an integer number (9613240).

Almost surely, 2^90844929 is an apocalyptic number.

It is an amenable number.

90844929 is a deficient number, since it is larger than the sum of its proper divisors (62966911).

90844929 is a wasteful number, since it uses less digits than its factorization.

90844929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480677 (or 480671 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 90844929 is about 9531.2606196662. The cubic root of 90844929 is about 449.5385046552.

The spelling of 90844929 in words is "ninety million, eight hundred forty-four thousand, nine hundred twenty-nine".