90929049 has 8 divisors (see below), whose sum is σ = 121493760. Its totient is φ = 60491856.

The previous prime is 90928997. The next prime is 90929053. The reversal of 90929049 is 94092909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90929049 - 2⁸ = 90928793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90929049.

It is not an unprimeable number, because it can be changed into a prime (90929099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30202 + ... + 33075.

It is an arithmetic number, because the mean of its divisors is an integer number (15186720).

Almost surely, 2^90929049 is an apocalyptic number.

It is an amenable number.

90929049 is a deficient number, since it is larger than the sum of its proper divisors (30564711).

90929049 is a wasteful number, since it uses less digits than its factorization.

90929049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63759.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 90929049 is about 9535.6724461361. The cubic root of 90929049 is about 449.6772154359.

The spelling of 90929049 in words is "ninety million, nine hundred twenty-nine thousand, forty-nine".