42893615 has 16 divisors (see below), whose sum is σ = 53575680. Its totient is φ = 32931360.

The previous prime is 42893579. The next prime is 42893633. The reversal of 42893615 is 51639824.

It is a happy number.

It is not a de Polignac number, because 42893615 - 2¹⁴ = 42877231 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 18596 + ... + 20774.

It is an arithmetic number, because the mean of its divisors is an integer number (3348480).

Almost surely, 2^42893615 is an apocalyptic number.

42893615 is a deficient number, since it is larger than the sum of its proper divisors (10682065).

42893615 is a wasteful number, since it uses less digits than its factorization.

42893615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342.

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

The square root of 42893615 is about 6549.3217206059. The cubic root of 42893615 is about 350.0506457323.

The spelling of 42893615 in words is "forty-two million, eight hundred ninety-three thousand, six hundred fifteen".