1407899989 has 8 divisors (see below), whose sum is σ = 1485622080. Its totient is φ = 1331553696.

The previous prime is 1407899951. The next prime is 1407900037. The reversal of 1407899989 is 9899987041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1407899989 - 2¹¹ = 1407897941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1407899989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407899929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341847 + ... + 345940.

It is an arithmetic number, because the mean of its divisors is an integer number (185702760).

Almost surely, 2^1407899989 is an apocalyptic number.

It is an amenable number.

1407899989 is a deficient number, since it is larger than the sum of its proper divisors (77722091).

1407899989 is an equidigital number, since it uses as much as digits as its factorization.

1407899989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687899.

The product of its (nonzero) digits is 11757312, while the sum is 64.

The square root of 1407899989 is about 37521.9934038691. The cubic root of 1407899989 is about 1120.7891942517.

The spelling of 1407899989 in words is "one billion, four hundred seven million, eight hundred ninety-nine thousand, nine hundred eighty-nine".