93432990 has 64 divisors (see below), whose sum is σ = 260651520. Its totient is φ = 20991360.

The previous prime is 93432971. The next prime is 93432991. The reversal of 93432990 is 9923439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93432991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8620 + ... + 16160.

It is an arithmetic number, because the mean of its divisors is an integer number (4072680).

Almost surely, 2^93432990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 93432990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130325760).

93432990 is an abundant number, since it is smaller than the sum of its proper divisors (167218530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

93432990 is a wasteful number, since it uses less digits than its factorization.

93432990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7617.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 93432990 is about 9666.0741772449. The cubic root of 93432990 is about 453.7675296220.

The spelling of 93432990 in words is "ninety-three million, four hundred thirty-two thousand, nine hundred ninety".