30996776 has 16 divisors (see below), whose sum is σ = 59994240. Its totient is φ = 14998320.

The previous prime is 30996773. The next prime is 30996781. The reversal of 30996776 is 67769903.

It is a self number, because there is not a number n which added to its sum of digits gives 30996776.

It is not an unprimeable number, because it can be changed into a prime (30996773) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 62246 + ... + 62741.

It is an arithmetic number, because the mean of its divisors is an integer number (3749640).

Almost surely, 2^30996776 is an apocalyptic number.

It is an amenable number.

30996776 is a deficient number, since it is larger than the sum of its proper divisors (28997464).

30996776 is a wasteful number, since it uses less digits than its factorization.

30996776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125024 (or 125020 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 47.

The square root of 30996776 is about 5567.4748315551. The cubic root of 30996776 is about 314.1271747420.

The spelling of 30996776 in words is "thirty million, nine hundred ninety-six thousand, seven hundred seventy-six".