42973938 has 24 divisors (see below), whose sum is σ = 106411968. Its totient is φ = 12278232.

The previous prime is 42973927. The next prime is 42973949. The reversal of 42973938 is 83937924.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42973927) and next prime (42973949).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42973893 and 42973902.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170406 + ... + 170657.

It is an arithmetic number, because the mean of its divisors is an integer number (4433832).

Almost surely, 2^42973938 is an apocalyptic number.

42973938 is an abundant number, since it is smaller than the sum of its proper divisors (63438030).

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

42973938 is a wasteful number, since it uses less digits than its factorization.

42973938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341078 (or 341075 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 42973938 is about 6555.4510142324. The cubic root of 42973938 is about 350.2690122301.

The spelling of 42973938 in words is "forty-two million, nine hundred seventy-three thousand, nine hundred thirty-eight".