30916542 has 32 divisors (see below), whose sum is σ = 63977760. Its totient is φ = 9953280.

The previous prime is 30916541. The next prime is 30916573. The reversal of 30916542 is 24561903.

It is a Smith number, since the sum of its digits (30) 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 not an unprimeable number, because it can be changed into a prime (30916541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26238 + ... + 27390.

It is an arithmetic number, because the mean of its divisors is an integer number (1999305).

Almost surely, 2^30916542 is an apocalyptic number.

30916542 is an abundant number, since it is smaller than the sum of its proper divisors (33061218).

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

30916542 is a wasteful number, since it uses less digits than its factorization.

30916542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 30916542 is about 5560.2645620510. The cubic root of 30916542 is about 313.8559050533.

The spelling of 30916542 in words is "thirty million, nine hundred sixteen thousand, five hundred forty-two".