90949201 has 16 divisors (see below), whose sum is σ = 110436480. Its totient is φ = 73117440.

The previous prime is 90949163. The next prime is 90949207. The reversal of 90949201 is 10294909.

It is a cyclic number.

It is not a de Polignac number, because 90949201 - 2⁷ = 90949073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90949207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38235 + ... + 40543.

It is an arithmetic number, because the mean of its divisors is an integer number (6902280).

Almost surely, 2^90949201 is an apocalyptic number.

It is an amenable number.

90949201 is a deficient number, since it is larger than the sum of its proper divisors (19487279).

90949201 is a wasteful number, since it uses less digits than its factorization.

90949201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 90949201 is about 9536.7290514096. The cubic root of 90949201 is about 449.7104326383.

The spelling of 90949201 in words is "ninety million, nine hundred forty-nine thousand, two hundred one".