412887818 has 12 divisors (see below), whose sum is σ = 720447282. Its totient is φ = 176951880.

The previous prime is 412887793. The next prime is 412887829. The reversal of 412887818 is 818788214.

It can be written as a sum of positive squares in only one way, i.e., 406143409 + 6744409 = 20153^2 + 2597^2 .

It is a super-2 number, since 2×412887818² = 340952700505602248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2106473 + ... + 2106668.

Almost surely, 2^412887818 is an apocalyptic number.

412887818 is a deficient number, since it is larger than the sum of its proper divisors (307559464).

412887818 is a wasteful number, since it uses less digits than its factorization.

412887818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213157 (or 4213150 counting only the distinct ones).

The product of its digits is 229376, while the sum is 47.

The square root of 412887818 is about 20319.6411877769. The cubic root of 412887818 is about 744.6359905135.

The spelling of 412887818 in words is "four hundred twelve million, eight hundred eighty-seven thousand, eight hundred eighteen".