34630920 has 192 divisors, whose sum is σ = 121867200. Its totient is φ = 8501760.

The previous prime is 34630919. The next prime is 34630931. The reversal of 34630920 is 2903643.

34630920 is a `hidden beast` number, since 3 + 4 + 630 + 9 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 417199 + ... + 417281.

It is an arithmetic number, because the mean of its divisors is an integer number (634725).

Almost surely, 2^34630920 is an apocalyptic number.

34630920 is a gapful number since it is divisible by the number (30) 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 34630920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60933600).

34630920 is an abundant number, since it is smaller than the sum of its proper divisors (87236280).

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

34630920 is a wasteful number, since it uses less digits than its factorization.

34630920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 34630920 is about 5884.8041598680. The cubic root of 34630920 is about 325.9527702038.

The spelling of 34630920 in words is "thirty-four million, six hundred thirty thousand, nine hundred twenty".