90232049 has 4 divisors (see below), whose sum is σ = 91578864. Its totient is φ = 88885236.

The previous prime is 90232033. The next prime is 90232061. The reversal of 90232049 is 94023209.

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 90232049 - 2⁴ = 90232033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90232099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673307 + ... + 673440.

It is an arithmetic number, because the mean of its divisors is an integer number (22894716).

Almost surely, 2^90232049 is an apocalyptic number.

It is an amenable number.

90232049 is a deficient number, since it is larger than the sum of its proper divisors (1346815).

90232049 is a wasteful number, since it uses less digits than its factorization.

90232049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346814.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 90232049 is about 9499.0551635413. The cubic root of 90232049 is about 448.5252942968.

The spelling of 90232049 in words is "ninety million, two hundred thirty-two thousand, forty-nine".