93428280 has 96 divisors (see below), whose sum is σ = 331259760. Its totient is φ = 22648320.

The previous prime is 93428239. The next prime is 93428341. The reversal of 93428280 is 8282439.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7837 + ... + 15756.

Almost surely, 2^93428280 is an apocalyptic number.

93428280 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

93428280 is an abundant number, since it is smaller than the sum of its proper divisors (237831480).

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

93428280 is a wasteful number, since it uses less digits than its factorization.

93428280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23621 (or 23614 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 93428280 is about 9665.8305385518. The cubic root of 93428280 is about 453.7599046173.

The spelling of 93428280 in words is "ninety-three million, four hundred twenty-eight thousand, two hundred eighty".