30893964 has 48 divisors (see below), whose sum is σ = 78408288. Its totient is φ = 9427968.

The previous prime is 30893963. The next prime is 30894029. The reversal of 30893964 is 46939803.

It is not an unprimeable number, because it can be changed into a prime (30893963) 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, 5502 + ... + 9594.

It is an arithmetic number, because the mean of its divisors is an integer number (1633506).

Almost surely, 2^30893964 is an apocalyptic number.

30893964 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30893964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39204144).

30893964 is an abundant number, since it is smaller than the sum of its proper divisors (47514324).

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

30893964 is a wasteful number, since it uses less digits than its factorization.

30893964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154 (or 4152 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 30893964 is about 5558.2338921639. The cubic root of 30893964 is about 313.7794846446.

The spelling of 30893964 in words is "thirty million, eight hundred ninety-three thousand, nine hundred sixty-four".