412400399 has 6 divisors (see below), whose sum is σ = 438086544. Its totient is φ = 388141280.

The previous prime is 412400381. The next prime is 412400411. The reversal of 412400399 is 993004214.

It is a happy number.

It is not a de Polignac number, because 412400399 - 2¹⁶ = 412334863 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 (412400309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 713207 + ... + 713784.

It is an arithmetic number, because the mean of its divisors is an integer number (73014424).

Almost surely, 2^412400399 is an apocalyptic number.

412400399 is a deficient number, since it is larger than the sum of its proper divisors (25686145).

412400399 is a wasteful number, since it uses less digits than its factorization.

412400399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427025 (or 1427008 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 412400399 is about 20307.6438564399. The cubic root of 412400399 is about 744.3428579079.

The spelling of 412400399 in words is "four hundred twelve million, four hundred thousand, three hundred ninety-nine".