1407481399 has 4 divisors (see below), whose sum is σ = 1411402320. Its totient is φ = 1403560480.

The previous prime is 1407481367. The next prime is 1407481441. The reversal of 1407481399 is 9931847041.

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 1407481399 - 2⁵ = 1407481367 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 (1407484399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1959922 + ... + 1960639.

It is an arithmetic number, because the mean of its divisors is an integer number (352850580).

Almost surely, 2^1407481399 is an apocalyptic number.

1407481399 is a deficient number, since it is larger than the sum of its proper divisors (3920921).

1407481399 is an equidigital number, since it uses as much as digits as its factorization.

1407481399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920920.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1407481399 is about 37516.4150606105. The cubic root of 1407481399 is about 1120.6781073716.

The spelling of 1407481399 in words is "one billion, four hundred seven million, four hundred eighty-one thousand, three hundred ninety-nine".