30776946 has 32 divisors (see below), whose sum is σ = 64575360. Its totient is φ = 9765504.

The previous prime is 30776929. The next prime is 30776947. The reversal of 30776946 is 64967703.

It is a junction number, because it is equal to n+sod(n) for n = 30776898 and 30776907.

It is not an unprimeable number, because it can be changed into a prime (30776947) 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, 11491 + ... + 13913.

It is an arithmetic number, because the mean of its divisors is an integer number (2017980).

Almost surely, 2^30776946 is an apocalyptic number.

30776946 is an abundant number, since it is smaller than the sum of its proper divisors (33798414).

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

30776946 is a wasteful number, since it uses less digits than its factorization.

30776946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 30776946 is about 5547.6973601666. The cubic root of 30776946 is about 313.3828127183.

The spelling of 30776946 in words is "thirty million, seven hundred seventy-six thousand, nine hundred forty-six".