42929238 has 32 divisors (see below), whose sum is σ = 95208192. Its totient is φ = 12794400.

The previous prime is 42929221. The next prime is 42929273. The reversal of 42929238 is 83292924.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42929196 and 42929205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306 + ... + 9357.

It is an arithmetic number, because the mean of its divisors is an integer number (2975256).

Almost surely, 2^42929238 is an apocalyptic number.

42929238 is an abundant number, since it is smaller than the sum of its proper divisors (52278954).

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

42929238 is a wasteful number, since it uses less digits than its factorization.

42929238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10740.

The product of its digits is 62208, while the sum is 39.

The square root of 42929238 is about 6552.0407507890. The cubic root of 42929238 is about 350.1475242047.

It can be divided in two parts, 4292 and 9238, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 42929238 in words is "forty-two million, nine hundred twenty-nine thousand, two hundred thirty-eight".