90546804 has 18 divisors (see below), whose sum is σ = 228882290. Its totient is φ = 30182256.

The previous prime is 90546793. The next prime is 90546817. The reversal of 90546804 is 40864509.

It can be written as a sum of positive squares in only one way, i.e., 85932900 + 4613904 = 9270^2 + 2148^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×90546804² = 16397447429228832, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2515189 = 90546804 / (9 + 0 + 5 + 4 + 6 + 8 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

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, 1257559 + ... + 1257630.

Almost surely, 2^90546804 is an apocalyptic number.

It is an amenable number.

90546804 is an abundant number, since it is smaller than the sum of its proper divisors (138335486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90546804 is a wasteful number, since it uses less digits than its factorization.

90546804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515199 (or 2515194 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 90546804 is about 9515.6084408723. The cubic root of 90546804 is about 449.0462169049.

The spelling of 90546804 in words is "ninety million, five hundred forty-six thousand, eight hundred four".