993672420 has 48 divisors (see below), whose sum is σ = 2996306880. Its totient is φ = 244596096.

The previous prime is 993672409. The next prime is 993672437. The reversal of 993672420 is 24276399.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636190 + ... + 637749.

It is an arithmetic number, because the mean of its divisors is an integer number (62423060).

Almost surely, 2^993672420 is an apocalyptic number.

It is an amenable number.

993672420 is an abundant number, since it is smaller than the sum of its proper divisors (2002634460).

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

993672420 is a wasteful number, since it uses less digits than its factorization.

993672420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273964 (or 1273962 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 993672420 is about 31522.5700094393. The cubic root of 993672420 is about 997.8863422653.

The spelling of 993672420 in words is "nine hundred ninety-three million, six hundred seventy-two thousand, four hundred twenty".