90929029 has 4 divisors (see below), whose sum is σ = 91531360. Its totient is φ = 90326700.

The previous prime is 90928997. The next prime is 90929053. The reversal of 90929029 is 92092909.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90929029 - 2⁵ = 90928997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90928982 and 90929000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90929099) 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, 300939 + ... + 301240.

It is an arithmetic number, because the mean of its divisors is an integer number (22882840).

Almost surely, 2^90929029 is an apocalyptic number.

It is an amenable number.

90929029 is a deficient number, since it is larger than the sum of its proper divisors (602331).

90929029 is a wasteful number, since it uses less digits than its factorization.

90929029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602330.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 90929029 is about 9535.6713974423. The cubic root of 90929029 is about 449.6771824668.

The spelling of 90929029 in words is "ninety million, nine hundred twenty-nine thousand, twenty-nine".