934134921 has 24 divisors (see below), whose sum is σ = 1477948680. Its totient is φ = 565910016.

The previous prime is 934134919. The next prime is 934134959. The reversal of 934134921 is 129431439.

It can be written as a sum of positive squares in 4 ways, for example, as 66243321 + 867891600 = 8139^2 + 29460^2 .

It is not a de Polignac number, because 934134921 - 2¹ = 934134919 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (934134991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100830 + ... + 109703.

It is an arithmetic number, because the mean of its divisors is an integer number (61581195).

Almost surely, 2^934134921 is an apocalyptic number.

It is an amenable number.

934134921 is a deficient number, since it is larger than the sum of its proper divisors (543813759).

934134921 is a wasteful number, since it uses less digits than its factorization.

934134921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210585 (or 210582 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 934134921 is about 30563.6208751516. The cubic root of 934134921 is about 977.5444985117.

The spelling of 934134921 in words is "nine hundred thirty-four million, one hundred thirty-four thousand, nine hundred twenty-one".