1000415399 has 2 divisors, whose sum is σ = 1000415400. Its totient is φ = 1000415398.

The previous prime is 1000415389. The next prime is 1000415431. The reversal of 1000415399 is 9935140001.

It is an a-pointer prime, because the next prime (1000415431) can be obtained adding 1000415399 to its sum of digits (32).

It is a weak prime.

It is an emirp because it is prime and its reverse (9935140001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000415399 - 2¹⁶ = 1000349863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000415309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500207699 + 500207700.

It is an arithmetic number, because the mean of its divisors is an integer number (500207700).

Almost surely, 2^1000415399 is an apocalyptic number.

1000415399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000415399 is an equidigital number, since it uses as much as digits as its factorization.

1000415399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 1000415399 is about 31629.3439546254. The cubic root of 1000415399 is about 1000.1384471648.

The spelling of 1000415399 in words is "one billion, four hundred fifteen thousand, three hundred ninety-nine".