42989976 has 48 divisors (see below), whose sum is σ = 119279160. Its totient is φ = 13979520.

The previous prime is 42989971. The next prime is 42989987. The reversal of 42989976 is 67998924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42989971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4330 + ... + 10233.

Almost surely, 2^42989976 is an apocalyptic number.

It is an amenable number.

42989976 is an abundant number, since it is smaller than the sum of its proper divisors (76289184).

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

42989976 is a wasteful number, since it uses less digits than its factorization.

42989976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14616 (or 14609 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 42989976 is about 6556.6741569183. The cubic root of 42989976 is about 350.3125806190.

The spelling of 42989976 in words is "forty-two million, nine hundred eighty-nine thousand, nine hundred seventy-six".