1000412399 has 4 divisors (see below), whose sum is σ = 1143328464. Its totient is φ = 857496336.

The previous prime is 1000412359. The next prime is 1000412407. The reversal of 1000412399 is 9932140001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000412399 - 2⁸ = 1000412143 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 (1000412359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71458022 + ... + 71458035.

It is an arithmetic number, because the mean of its divisors is an integer number (285832116).

Almost surely, 2^1000412399 is an apocalyptic number.

1000412399 is a deficient number, since it is larger than the sum of its proper divisors (142916065).

1000412399 is an equidigital number, since it uses as much as digits as its factorization.

1000412399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142916064.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1000412399 is about 31629.2965302740. The cubic root of 1000412399 is about 1000.1374474407.

The spelling of 1000412399 in words is "one billion, four hundred twelve thousand, three hundred ninety-nine".