412661842 has 8 divisors (see below), whose sum is σ = 655404156. Its totient is φ = 194193792.

The previous prime is 412661813. The next prime is 412661849. The reversal of 412661842 is 248166214.

It can be written as a sum of positive squares in 2 ways, for example, as 401962401 + 10699441 = 20049^2 + 3271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 12137113 = 412661842 / (4 + 1 + 2 + 6 + 6 + 1 + 8 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 412661798 and 412661807.

It is not an unprimeable number, because it can be changed into a prime (412661849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6068523 + ... + 6068590.

Almost surely, 2^412661842 is an apocalyptic number.

412661842 is a deficient number, since it is larger than the sum of its proper divisors (242742314).

412661842 is a wasteful number, since it uses less digits than its factorization.

412661842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12137132.

The product of its digits is 18432, while the sum is 34.

The square root of 412661842 is about 20314.0798954814. The cubic root of 412661842 is about 744.5001177954.

The spelling of 412661842 in words is "four hundred twelve million, six hundred sixty-one thousand, eight hundred forty-two".