42953438 has 32 divisors (see below), whose sum is σ = 72223488. Its totient is φ = 18995200.

The previous prime is 42953401. The next prime is 42953453. The reversal of 42953438 is 83435924.

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, 167006 + ... + 167262.

It is an arithmetic number, because the mean of its divisors is an integer number (2256984).

Almost surely, 2^42953438 is an apocalyptic number.

42953438 is a deficient number, since it is larger than the sum of its proper divisors (29270050).

42953438 is a wasteful number, since it uses less digits than its factorization.

42953438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448.

The product of its digits is 103680, while the sum is 38.

The square root of 42953438 is about 6553.8872434609. The cubic root of 42953438 is about 350.2133067090.

The spelling of 42953438 in words is "forty-two million, nine hundred fifty-three thousand, four hundred thirty-eight".