943972420 has 24 divisors (see below), whose sum is σ = 1992312000. Its totient is φ = 375689952.

The previous prime is 943972411. The next prime is 943972429. The reversal of 943972420 is 24279349.

It is an interprime number because it is at equal distance from previous prime (943972411) and next prime (943972429).

It is not an unprimeable number, because it can be changed into a prime (943972429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114610 + ... + 122569.

It is an arithmetic number, because the mean of its divisors is an integer number (83013000).

Almost surely, 2^943972420 is an apocalyptic number.

It is an amenable number.

943972420 is an abundant number, since it is smaller than the sum of its proper divisors (1048339580).

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

943972420 is a wasteful number, since it uses less digits than its factorization.

943972420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237387 (or 237385 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 943972420 is about 30724.1341619255. The cubic root of 943972420 is about 980.9640728034.

The spelling of 943972420 in words is "nine hundred forty-three million, nine hundred seventy-two thousand, four hundred twenty".