90649361 has 8 divisors (see below), whose sum is σ = 104095200. Its totient is φ = 78071040.

The previous prime is 90649327. The next prime is 90649379. The reversal of 90649361 is 16394609.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90649361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90649061) 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 7 ways as a sum of consecutive naturals, for example, 216656 + ... + 217073.

It is an arithmetic number, because the mean of its divisors is an integer number (13011900).

Almost surely, 2^90649361 is an apocalyptic number.

It is an amenable number.

90649361 is a deficient number, since it is larger than the sum of its proper divisors (13445839).

90649361 is a wasteful number, since it uses less digits than its factorization.

90649361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433759.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 90649361 is about 9520.9957987597. The cubic root of 90649361 is about 449.2156889519.

The spelling of 90649361 in words is "ninety million, six hundred forty-nine thousand, three hundred sixty-one".