412319861 has 4 divisors (see below), whose sum is σ = 421092672. Its totient is φ = 403547052.

The previous prime is 412319857. The next prime is 412319863. The reversal of 412319861 is 168913214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 412319861 - 2² = 412319857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412319863) 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, 4386335 + ... + 4386428.

It is an arithmetic number, because the mean of its divisors is an integer number (105273168).

Almost surely, 2^412319861 is an apocalyptic number.

It is an amenable number.

412319861 is a deficient number, since it is larger than the sum of its proper divisors (8772811).

412319861 is an equidigital number, since it uses as much as digits as its factorization.

412319861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772810.

The product of its digits is 10368, while the sum is 35.

The square root of 412319861 is about 20305.6608117047. The cubic root of 412319861 is about 744.2944003182.

The spelling of 412319861 in words is "four hundred twelve million, three hundred nineteen thousand, eight hundred sixty-one".