42988929 has 16 divisors (see below), whose sum is σ = 58196544. Its totient is φ = 28224000.

The previous prime is 42988921. The next prime is 42988961. The reversal of 42988929 is 92988924.

It is not a de Polignac number, because 42988929 - 2³ = 42988921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42988921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71229 + ... + 71829.

It is an arithmetic number, because the mean of its divisors is an integer number (3637284).

Almost surely, 2^42988929 is an apocalyptic number.

It is an amenable number.

42988929 is a deficient number, since it is larger than the sum of its proper divisors (15207615).

42988929 is a wasteful number, since it uses less digits than its factorization.

42988929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its digits is 746496, while the sum is 51.

The square root of 42988929 is about 6556.5943141238. The cubic root of 42988929 is about 350.3097366983.

The spelling of 42988929 in words is "forty-two million, nine hundred eighty-eight thousand, nine hundred twenty-nine".