934903391 has 4 divisors (see below), whose sum is σ = 934967112. Its totient is φ = 934839672.

The previous prime is 934903373. The next prime is 934903397. The reversal of 934903391 is 193309439.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 934903391 - 2²⁶ = 867794527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (934903397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2501 + ... + 43313.

It is an arithmetic number, because the mean of its divisors is an integer number (233741778).

Almost surely, 2^934903391 is an apocalyptic number.

934903391 is a deficient number, since it is larger than the sum of its proper divisors (63721).

934903391 is a wasteful number, since it uses less digits than its factorization.

934903391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63720.

The product of its (nonzero) digits is 78732, while the sum is 41.

The square root of 934903391 is about 30576.1899359616. The cubic root of 934903391 is about 977.8124853952.

The spelling of 934903391 in words is "nine hundred thirty-four million, nine hundred three thousand, three hundred ninety-one".