90913652 has 12 divisors (see below), whose sum is σ = 159328260. Its totient is φ = 45391296.

The previous prime is 90913643. The next prime is 90913657. The reversal of 90913652 is 25631909.

It can be written as a sum of positive squares in 2 ways, for example, as 60155536 + 30758116 = 7756^2 + 5546^2 .

It is a hoax number, since the sum of its digits (35) 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 (90913657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13193 + ... + 18864.

It is an arithmetic number, because the mean of its divisors is an integer number (13277355).

Almost surely, 2^90913652 is an apocalyptic number.

It is an amenable number.

90913652 is a deficient number, since it is larger than the sum of its proper divisors (68414608).

90913652 is a wasteful number, since it uses less digits than its factorization.

90913652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32770 (or 32768 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 90913652 is about 9534.8650750810. The cubic root of 90913652 is about 449.6518327483.

The spelling of 90913652 in words is "ninety million, nine hundred thirteen thousand, six hundred fifty-two".