402534797 has 8 divisors (see below), whose sum is σ = 460502016. Its totient is φ = 344683152.

The previous prime is 402534773. The next prime is 402534851. The reversal of 402534797 is 797435204.

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 402534797 - 2⁶ = 402534733 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 (402534397) 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, 21293 + ... + 35474.

It is an arithmetic number, because the mean of its divisors is an integer number (57562752).

Almost surely, 2^402534797 is an apocalyptic number.

It is an amenable number.

402534797 is a deficient number, since it is larger than the sum of its proper divisors (57967219).

402534797 is a wasteful number, since it uses less digits than its factorization.

402534797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57787.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 402534797 is about 20063.2698481579. The cubic root of 402534797 is about 738.3594023320.

The spelling of 402534797 in words is "four hundred two million, five hundred thirty-four thousand, seven hundred ninety-seven".