534672391 has 16 divisors (see below), whose sum is σ = 605168640. Its totient is φ = 467923680.

The previous prime is 534672379. The next prime is 534672403. The reversal of 534672391 is 193276435.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (534672379) and next prime (534672403).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-534672391 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 (534672301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114790 + ... + 119356.

It is an arithmetic number, because the mean of its divisors is an integer number (37823040).

Almost surely, 2^534672391 is an apocalyptic number.

534672391 is a deficient number, since it is larger than the sum of its proper divisors (70496249).

534672391 is a wasteful number, since it uses less digits than its factorization.

534672391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4974.

The product of its digits is 136080, while the sum is 40.

The square root of 534672391 is about 23122.9840418576. The cubic root of 534672391 is about 811.6384004556.

The spelling of 534672391 in words is "five hundred thirty-four million, six hundred seventy-two thousand, three hundred ninety-one".