402606361 has 8 divisors (see below), whose sum is σ = 416649024. Its totient is φ = 388730160.

The previous prime is 402606353. The next prime is 402606389. The reversal of 402606361 is 163606204.

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 402606361 - 2³ = 402606353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402606341) 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, 36685 + ... + 46378.

It is an arithmetic number, because the mean of its divisors is an integer number (52081128).

Almost surely, 2^402606361 is an apocalyptic number.

It is an amenable number.

402606361 is a deficient number, since it is larger than the sum of its proper divisors (14042663).

402606361 is a wasteful number, since it uses less digits than its factorization.

402606361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83231.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 402606361 is about 20065.0532269416. The cubic root of 402606361 is about 738.4031557513.

The spelling of 402606361 in words is "four hundred two million, six hundred six thousand, three hundred sixty-one".