993420252 has 72 divisors (see below), whose sum is σ = 2813511792. Its totient is φ = 292896000.

The previous prime is 993420251. The next prime is 993420299. The reversal of 993420252 is 252024399.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993420251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19249 + ... + 48552.

Almost surely, 2^993420252 is an apocalyptic number.

It is an amenable number.

993420252 is an abundant number, since it is smaller than the sum of its proper divisors (1820091540).

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

993420252 is a wasteful number, since it uses less digits than its factorization.

993420252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67859 (or 67854 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 993420252 is about 31518.5699548695. The cubic root of 993420252 is about 997.8019226627.

The spelling of 993420252 in words is "nine hundred ninety-three million, four hundred twenty thousand, two hundred fifty-two".