90986146 has 4 divisors (see below), whose sum is σ = 136479222. Its totient is φ = 45493072.

The previous prime is 90986123. The next prime is 90986167. The reversal of 90986146 is 64168909.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73017025 + 17969121 = 8545^2 + 4239^2 .

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 as a sum of consecutive naturals, namely, 22746535 + ... + 22746538.

Almost surely, 2^90986146 is an apocalyptic number.

90986146 is a deficient number, since it is larger than the sum of its proper divisors (45493076).

90986146 is a wasteful number, since it uses less digits than its factorization.

90986146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45493075.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 90986146 is about 9538.6658396235. The cubic root of 90986146 is about 449.7713175520.

The spelling of 90986146 in words is "ninety million, nine hundred eighty-six thousand, one hundred forty-six".