42358916 has 24 divisors (see below), whose sum is σ = 77650944. Its totient is φ = 20180160.

The previous prime is 42358909. The next prime is 42358919. The reversal of 42358916 is 61985324.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42358916.

It is not an unprimeable number, because it can be changed into a prime (42358919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28061 + ... + 29531.

It is an arithmetic number, because the mean of its divisors is an integer number (3235456).

Almost surely, 2^42358916 is an apocalyptic number.

42358916 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

42358916 is a deficient number, since it is larger than the sum of its proper divisors (35292028).

42358916 is a wasteful number, since it uses less digits than its factorization.

42358916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811 (or 1809 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 42358916 is about 6508.3727612976. The cubic root of 42358916 is about 348.5900172769.

The spelling of 42358916 in words is "forty-two million, three hundred fifty-eight thousand, nine hundred sixteen".