1379960 has 16 divisors (see below), whose sum is σ = 3105000. Its totient is φ = 551968.

The previous prime is 1379957. The next prime is 1379969. The reversal of 1379960 is 699731.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1379960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379969) 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, 17210 + ... + 17289.

2^1379960 is an apocalyptic number.

1379960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1379960 is an abundant number, since it is smaller than the sum of its proper divisors (1725040).

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

1379960 is a wasteful number, since it uses less digits than its factorization.

1379960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34510 (or 34506 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 1379960 is about 1174.7169871931. The cubic root of 1379960 is about 111.3325524545.

The spelling of 1379960 in words is "one million, three hundred seventy-nine thousand, nine hundred sixty".