90612361 has 8 divisors (see below), whose sum is σ = 103618944. Its totient is φ = 77621280.

The previous prime is 90612359. The next prime is 90612367. The reversal of 90612361 is 16321609.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90612361 - 2¹ = 90612359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90612367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14436 + ... + 19738.

It is an arithmetic number, because the mean of its divisors is an integer number (12952368).

Almost surely, 2^90612361 is an apocalyptic number.

It is an amenable number.

90612361 is a deficient number, since it is larger than the sum of its proper divisors (13006583).

90612361 is a wasteful number, since it uses less digits than its factorization.

90612361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7751.

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

The square root of 90612361 is about 9519.0525263810. The cubic root of 90612361 is about 449.1545624230.

The spelling of 90612361 in words is "ninety million, six hundred twelve thousand, three hundred sixty-one".