415972399 has 2 divisors, whose sum is σ = 415972400. Its totient is φ = 415972398.

The previous prime is 415972397. The next prime is 415972409. The reversal of 415972399 is 993279514.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 415972399 - 2¹ = 415972397 is a prime.

Together with 415972397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415972397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207986199 + 207986200.

It is an arithmetic number, because the mean of its divisors is an integer number (207986200).

Almost surely, 2^415972399 is an apocalyptic number.

415972399 is a deficient number, since it is larger than the sum of its proper divisors (1).

415972399 is an equidigital number, since it uses as much as digits as its factorization.

415972399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 49.

The square root of 415972399 is about 20395.4014179667. The cubic root of 415972399 is about 746.4857212162.

The spelling of 415972399 in words is "four hundred fifteen million, nine hundred seventy-two thousand, three hundred ninety-nine".