406161402 has 16 divisors (see below), whose sum is σ = 831214560. Its totient is φ = 132238512.

The previous prime is 406161373. The next prime is 406161403. The reversal of 406161402 is 204161604.

It is not an unprimeable number, because it can be changed into a prime (406161403) 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, 786877 + ... + 787392.

It is an arithmetic number, because the mean of its divisors is an integer number (51950910).

Almost surely, 2^406161402 is an apocalyptic number.

406161402 is an abundant number, since it is smaller than the sum of its proper divisors (425053158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406161402 is a wasteful number, since it uses less digits than its factorization.

406161402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574317.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 406161402 is about 20153.4464050197. The cubic root of 406161402 is about 740.5701729358.

The spelling of 406161402 in words is "four hundred six million, one hundred sixty-one thousand, four hundred two".