938943402 has 8 divisors (see below), whose sum is σ = 1877886816. Its totient is φ = 312981132.

The previous prime is 938943391. The next prime is 938943403. The reversal of 938943402 is 204349839.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

938943402 is an admirable number.

It is a super-2 number, since 2×938943402² = 1763229424318667208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (938943403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78245278 + ... + 78245289.

It is an arithmetic number, because the mean of its divisors is an integer number (234735852).

Almost surely, 2^938943402 is an apocalyptic number.

938943402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

938943402 is a wasteful number, since it uses less digits than its factorization.

938943402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156490572.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 938943402 is about 30642.1833752101. The cubic root of 938943402 is about 979.2189396481.

The spelling of 938943402 in words is "nine hundred thirty-eight million, nine hundred forty-three thousand, four hundred two".