406086390 has 48 divisors (see below), whose sum is σ = 1101735648. Its totient is φ = 103580928.

The previous prime is 406086389. The next prime is 406086403. The reversal of 406086390 is 93680604.

406086390 is a `hidden beast` number, since 40 + 608 + 6 + 3 + 9 + 0 = 666.

It is a super-2 number, since 2×406086390² = 329812312286464200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96019 + ... + 100158.

It is an arithmetic number, because the mean of its divisors is an integer number (22952826).

Almost surely, 2^406086390 is an apocalyptic number.

406086390 is an abundant number, since it is smaller than the sum of its proper divisors (695649258).

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

406086390 is a wasteful number, since it uses less digits than its factorization.

406086390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196213 (or 196210 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 406086390 is about 20151.5852974400. The cubic root of 406086390 is about 740.5245793452.

The spelling of 406086390 in words is "four hundred six million, eighty-six thousand, three hundred ninety".