1389967476 has 48 divisors (see below), whose sum is σ = 3274508160. Its totient is φ = 458874880.

The previous prime is 1389967471. The next prime is 1389967499. The reversal of 1389967476 is 6747699831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389967471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053145 + ... + 1054463.

It is an arithmetic number, because the mean of its divisors is an integer number (68218920).

Almost surely, 2^1389967476 is an apocalyptic number.

It is an amenable number.

1389967476 is an abundant number, since it is smaller than the sum of its proper divisors (1884540684).

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

1389967476 is a wasteful number, since it uses less digits than its factorization.

1389967476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104 (or 2102 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 60.

The square root of 1389967476 is about 37282.2675812510. The cubic root of 1389967476 is about 1116.0103254399.

The spelling of 1389967476 in words is "one billion, three hundred eighty-nine million, nine hundred sixty-seven thousand, four hundred seventy-six".