406866024 has 32 divisors (see below), whose sum is σ = 1130184000. Its totient is φ = 135621936.

The previous prime is 406865989. The next prime is 406866029. The reversal of 406866024 is 420668604.

It is a happy number.

406866024 is a `hidden beast` number, since 40 + 6 + 8 + 6 + 602 + 4 = 666.

It is a super-2 number, since 2×406866024² = 331079922971137152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 406866024.

It is not an unprimeable number, because it can be changed into a prime (406866029) 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, 941604 + ... + 942035.

It is an arithmetic number, because the mean of its divisors is an integer number (35318250).

Almost surely, 2^406866024 is an apocalyptic number.

It is an amenable number.

406866024 is an abundant number, since it is smaller than the sum of its proper divisors (723317976).

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

406866024 is a wasteful number, since it uses less digits than its factorization.

406866024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883654 (or 1883644 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 406866024 is about 20170.9202566467. The cubic root of 406866024 is about 740.9981805918.

The spelling of 406866024 in words is "four hundred six million, eight hundred sixty-six thousand, twenty-four".