90321652 has 6 divisors (see below), whose sum is σ = 158062898. Its totient is φ = 45160824.

The previous prime is 90321617. The next prime is 90321683. The reversal of 90321652 is 25612309.

It can be written as a sum of positive squares in only one way, i.e., 89794576 + 527076 = 9476^2 + 726^2 .

It is a super-3 number, since 3×90321652³ (a number of 25 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 90321652.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11290203 + ... + 11290210.

Almost surely, 2^90321652 is an apocalyptic number.

It is an amenable number.

90321652 is a deficient number, since it is larger than the sum of its proper divisors (67741246).

90321652 is a wasteful number, since it uses less digits than its factorization.

90321652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22580417 (or 22580415 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 90321652 is about 9503.7704096848. The cubic root of 90321652 is about 448.6737113198.

The spelling of 90321652 in words is "ninety million, three hundred twenty-one thousand, six hundred fifty-two".