7960399 has 2 divisors, whose sum is σ = 7960400. Its totient is φ = 7960398.

The previous prime is 7960363. The next prime is 7960417. The reversal of 7960399 is 9930697.

7960399 is nontrivially palindromic in base 2.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7960399 - 2¹⁹ = 7436111 is a prime.

7960399 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7960349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3980199 + 3980200.

It is an arithmetic number, because the mean of its divisors is an integer number (3980200).

Almost surely, 2^7960399 is an apocalyptic number.

7960399 is a deficient number, since it is larger than the sum of its proper divisors (1).

7960399 is an equidigital number, since it uses as much as digits as its factorization.

7960399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 7960399 is about 2821.4179059473. The cubic root of 7960399 is about 199.6694456367.

The spelling of 7960399 in words is "seven million, nine hundred sixty thousand, three hundred ninety-nine".