90484839 has 6 divisors (see below), whose sum is σ = 130700336. Its totient is φ = 60323220.

The previous prime is 90484831. The next prime is 90484841. The reversal of 90484839 is 93848409.

It is a happy number.

90484839 is a `hidden beast` number, since 90 + 484 + 83 + 9 = 666.

It is not a de Polignac number, because 90484839 - 2³ = 90484831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90484794 and 90484803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90484831) 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 5 ways as a sum of consecutive naturals, for example, 5026927 + ... + 5026944.

Almost surely, 2^90484839 is an apocalyptic number.

90484839 is a deficient number, since it is larger than the sum of its proper divisors (40215497).

90484839 is a wasteful number, since it uses less digits than its factorization.

90484839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10053877 (or 10053874 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 90484839 is about 9512.3519173756. The cubic root of 90484839 is about 448.9437597692.

The spelling of 90484839 in words is "ninety million, four hundred eighty-four thousand, eight hundred thirty-nine".