818404412 has 24 divisors (see below), whose sum is σ = 1733092704. Its totient is φ = 330112512.

The previous prime is 818404393. The next prime is 818404417. The reversal of 818404412 is 214404818.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818404417) 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, 859193 + ... + 860144.

It is an arithmetic number, because the mean of its divisors is an integer number (72212196).

Almost surely, 2^818404412 is an apocalyptic number.

It is an amenable number.

818404412 is an abundant number, since it is smaller than the sum of its proper divisors (914688292).

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

818404412 is a wasteful number, since it uses less digits than its factorization.

818404412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719365 (or 1719363 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 818404412 is about 28607.7683855277. The cubic root of 818404412 is about 935.3826727232.

The spelling of 818404412 in words is "eight hundred eighteen million, four hundred four thousand, four hundred twelve".