993071380 has 48 divisors (see below), whose sum is σ = 2385653760. Its totient is φ = 340155648.

The previous prime is 993071363. The next prime is 993071383. The reversal of 993071380 is 83170399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993071383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177709 + ... + 183211.

It is an arithmetic number, because the mean of its divisors is an integer number (49701120).

Almost surely, 2^993071380 is an apocalyptic number.

It is an amenable number.

993071380 is an abundant number, since it is smaller than the sum of its proper divisors (1392582380).

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

993071380 is a wasteful number, since it uses less digits than its factorization.

993071380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808 (or 6806 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 993071380 is about 31513.0350807408. The cubic root of 993071380 is about 997.6851053980.

The spelling of 993071380 in words is "nine hundred ninety-three million, seventy-one thousand, three hundred eighty".