402591167 has 8 divisors (see below), whose sum is σ = 439393152. Its totient is φ = 365823000.

The previous prime is 402591139. The next prime is 402591179. The reversal of 402591167 is 761195204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402591167 - 2¹² = 402587071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402591107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20888 + ... + 35234.

It is an arithmetic number, because the mean of its divisors is an integer number (54924144).

Almost surely, 2^402591167 is an apocalyptic number.

402591167 is a deficient number, since it is larger than the sum of its proper divisors (36801985).

402591167 is a wasteful number, since it uses less digits than its factorization.

402591167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16909.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 402591167 is about 20064.6746048871. The cubic root of 402591167 is about 738.3938667453.

The spelling of 402591167 in words is "four hundred two million, five hundred ninety-one thousand, one hundred sixty-seven".