42458634 has 16 divisors (see below), whose sum is σ = 94352640. Its totient is φ = 14152860.

The previous prime is 42458627. The next prime is 42458641. The reversal of 42458634 is 43685424.

42458634 is a `hidden beast` number, since 42 + 4 + 586 + 34 = 666.

42458634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42458627) and next prime (42458641).

It is a super-2 number, since 2×42458634² = 3605471202291912, which contains 22 as substring.

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393082 + ... + 393189.

It is an arithmetic number, because the mean of its divisors is an integer number (5897040).

Almost surely, 2^42458634 is an apocalyptic number.

42458634 is an abundant number, since it is smaller than the sum of its proper divisors (51894006).

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

42458634 is a wasteful number, since it uses less digits than its factorization.

42458634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786282 (or 786276 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 42458634 is about 6516.0290054603. The cubic root of 42458634 is about 348.8633438969.

The spelling of 42458634 in words is "forty-two million, four hundred fifty-eight thousand, six hundred thirty-four".