93800990 has 16 divisors (see below), whose sum is σ = 172028448. Its totient is φ = 36812256.

The previous prime is 93800983. The next prime is 93800999. The reversal of 93800990 is 9900839.

It is a super-3 number, since 3×93800990³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93800999) 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, 87962 + ... + 89021.

It is an arithmetic number, because the mean of its divisors is an integer number (10751778).

Almost surely, 2^93800990 is an apocalyptic number.

93800990 is a deficient number, since it is larger than the sum of its proper divisors (78227458).

93800990 is a wasteful number, since it uses less digits than its factorization.

93800990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177043.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 93800990 is about 9685.0911198605. The cubic root of 93800990 is about 454.3624932622.

The spelling of 93800990 in words is "ninety-three million, eight hundred thousand, nine hundred ninety".