406159146 has 24 divisors (see below), whose sum is σ = 880782084. Its totient is φ = 135267840.

The previous prime is 406159109. The next prime is 406159153. The reversal of 406159146 is 641951604.

406159146 is a `hidden beast` number, since 4 + 0 + 61 + 591 + 4 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 402203025 + 3956121 = 20055^2 + 1989^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 406159146.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12636 + ... + 31176.

Almost surely, 2^406159146 is an apocalyptic number.

406159146 is an abundant number, since it is smaller than the sum of its proper divisors (474622938).

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

406159146 is a wasteful number, since it uses less digits than its factorization.

406159146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19766 (or 19763 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 406159146 is about 20153.3904343661. The cubic root of 406159146 is about 740.5688017819.

The spelling of 406159146 in words is "four hundred six million, one hundred fifty-nine thousand, one hundred forty-six".