1399580958 has 16 divisors (see below), whose sum is σ = 2920864896. Its totient is φ = 446243160.

The previous prime is 1399580957. The next prime is 1399581013. The reversal of 1399580958 is 8590859931.

It is a junction number, because it is equal to n+sod(n) for n = 1399580898 and 1399580907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399580953) 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, 5070808 + ... + 5071083.

It is an arithmetic number, because the mean of its divisors is an integer number (182554056).

Almost surely, 2^1399580958 is an apocalyptic number.

1399580958 is an abundant number, since it is smaller than the sum of its proper divisors (1521283938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1399580958 is a wasteful number, since it uses less digits than its factorization.

1399580958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141919.

The product of its (nonzero) digits is 3499200, while the sum is 57.

The square root of 1399580958 is about 37410.9737643916. The cubic root of 1399580958 is about 1118.5773172170.

The spelling of 1399580958 in words is "one billion, three hundred ninety-nine million, five hundred eighty thousand, nine hundred fifty-eight".