30963426 has 64 divisors (see below), whose sum is σ = 74390400. Its totient is φ = 8487936.

The previous prime is 30963403. The next prime is 30963431. The reversal of 30963426 is 62436903.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24580 + ... + 25808.

It is an arithmetic number, because the mean of its divisors is an integer number (1162350).

Almost surely, 2^30963426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30963426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37195200).

30963426 is an abundant number, since it is smaller than the sum of its proper divisors (43426974).

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

30963426 is a wasteful number, since it uses less digits than its factorization.

30963426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 30963426 is about 5564.4789513485. The cubic root of 30963426 is about 314.0144759172.

The spelling of 30963426 in words is "thirty million, nine hundred sixty-three thousand, four hundred twenty-six".