90653389 has 8 divisors (see below), whose sum is σ = 95684000. Its totient is φ = 85648752.

The previous prime is 90653377. The next prime is 90653399. The reversal of 90653389 is 98335609.

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 90653389 - 2⁷ = 90653261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90653309) 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, 907 + ... + 13495.

It is an arithmetic number, because the mean of its divisors is an integer number (11960500).

Almost surely, 2^90653389 is an apocalyptic number.

It is an amenable number.

90653389 is a deficient number, since it is larger than the sum of its proper divisors (5030611).

90653389 is a wasteful number, since it uses less digits than its factorization.

90653389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12987.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 90653389 is about 9521.2073289053. The cubic root of 90653389 is about 449.2223424792. Note that the first 3 decimals are identical.

The spelling of 90653389 in words is "ninety million, six hundred fifty-three thousand, three hundred eighty-nine".