90616312 has 8 divisors (see below), whose sum is σ = 169905600. Its totient is φ = 45308152.

The previous prime is 90616303. The next prime is 90616313. The reversal of 90616312 is 21361609.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×90616312² = 16422632000962688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90616313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5663512 + ... + 5663527.

It is an arithmetic number, because the mean of its divisors is an integer number (21238200).

Almost surely, 2^90616312 is an apocalyptic number.

It is an amenable number.

90616312 is a deficient number, since it is larger than the sum of its proper divisors (79289288).

90616312 is a wasteful number, since it uses less digits than its factorization.

90616312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11327045 (or 11327041 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 90616312 is about 9519.2600552774. The cubic root of 90616312 is about 449.1610905385.

The spelling of 90616312 in words is "ninety million, six hundred sixteen thousand, three hundred twelve".