69238431 has 6 divisors (see below), whose sum is σ = 100011080. Its totient is φ = 46158948.

The previous prime is 69238427. The next prime is 69238439. The reversal of 69238431 is 13483296.

It is not a de Polignac number, because 69238431 - 2² = 69238427 is a prime.

It is a super-2 number, since 2×69238431² = 9587920654683522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69238439) 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, 3846571 + ... + 3846588.

Almost surely, 2^69238431 is an apocalyptic number.

69238431 is a deficient number, since it is larger than the sum of its proper divisors (30772649).

69238431 is a wasteful number, since it uses less digits than its factorization.

69238431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693165 (or 7693162 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 69238431 is about 8320.9633456710. The cubic root of 69238431 is about 410.6284848505.

The spelling of 69238431 in words is "sixty-nine million, two hundred thirty-eight thousand, four hundred thirty-one".