42393546 has 48 divisors (see below), whose sum is σ = 104746824. Its totient is φ = 12275712.

The previous prime is 42393539. The next prime is 42393557. The reversal of 42393546 is 64539324.

42393546 is a `hidden beast` number, since 4 + 23 + 93 + 546 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 24117921 + 18275625 = 4911^2 + 4275^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42393546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1351 + ... + 9306.

Almost surely, 2^42393546 is an apocalyptic number.

42393546 is an abundant number, since it is smaller than the sum of its proper divisors (62353278).

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

42393546 is a wasteful number, since it uses less digits than its factorization.

42393546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10695 (or 10692 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 42393546 is about 6511.0326369939. The cubic root of 42393546 is about 348.6849865321.

The spelling of 42393546 in words is "forty-two million, three hundred ninety-three thousand, five hundred forty-six".