30694239 has 6 divisors (see below), whose sum is σ = 44336136. Its totient is φ = 20462820.

The previous prime is 30694211. The next prime is 30694271. The reversal of 30694239 is 93249603.

It is a happy number.

It is not a de Polignac number, because 30694239 - 2⁵ = 30694207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30694039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1705227 + ... + 1705244.

It is an arithmetic number, because the mean of its divisors is an integer number (7389356).

Almost surely, 2^30694239 is an apocalyptic number.

30694239 is a deficient number, since it is larger than the sum of its proper divisors (13641897).

30694239 is a wasteful number, since it uses less digits than its factorization.

30694239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410477 (or 3410474 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 30694239 is about 5540.2381717757. The cubic root of 30694239 is about 313.1018426227.

The spelling of 30694239 in words is "thirty million, six hundred ninety-four thousand, two hundred thirty-nine".