90952205 has 8 divisors (see below), whose sum is σ = 109256472. Its totient is φ = 72685888.

The previous prime is 90952201. The next prime is 90952219. The reversal of 90952205 is 50225909.

It can be written as a sum of positive squares in 4 ways, for example, as 9916201 + 81036004 = 3149^2 + 9002^2 .

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 90952205 - 2² = 90952201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90952201) 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, 3914 + ... + 14043.

It is an arithmetic number, because the mean of its divisors is an integer number (13657059).

Almost surely, 2^90952205 is an apocalyptic number.

It is an amenable number.

90952205 is a deficient number, since it is larger than the sum of its proper divisors (18304267).

90952205 is a wasteful number, since it uses less digits than its factorization.

90952205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18975.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 90952205 is about 9536.8865464574. The cubic root of 90952205 is about 449.7153838098.

The spelling of 90952205 in words is "ninety million, nine hundred fifty-two thousand, two hundred five".