412239397 has 4 divisors (see below), whose sum is σ = 421010496. Its totient is φ = 403468300.

The previous prime is 412239391. The next prime is 412239413. The reversal of 412239397 is 793932214.

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 412239397 - 2¹⁵ = 412206629 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412239391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4385479 + ... + 4385572.

It is an arithmetic number, because the mean of its divisors is an integer number (105252624).

Almost surely, 2^412239397 is an apocalyptic number.

412239397 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

412239397 is a deficient number, since it is larger than the sum of its proper divisors (8771099).

412239397 is an equidigital number, since it uses as much as digits as its factorization.

412239397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8771098.

The product of its digits is 81648, while the sum is 40.

The square root of 412239397 is about 20303.6793956169. The cubic root of 412239397 is about 744.2459809505.

The spelling of 412239397 in words is "four hundred twelve million, two hundred thirty-nine thousand, three hundred ninety-seven".