1393960 has 16 divisors (see below), whose sum is σ = 3136500. Its totient is φ = 557568.

The previous prime is 1393957. The next prime is 1393963. The reversal of 1393960 is 693931.

It is an interprime number because it is at equal distance from previous prime (1393957) and next prime (1393963).

It can be written as a sum of positive squares in 2 ways, for example, as 1205604 + 188356 = 1098^2 + 434^2 .

It is not an unprimeable number, because it can be changed into a prime (1393963) 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, 17385 + ... + 17464.

2^1393960 is an apocalyptic number.

1393960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1393960 is an abundant number, since it is smaller than the sum of its proper divisors (1742540).

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

1393960 is a wasteful number, since it uses less digits than its factorization.

1393960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34860 (or 34856 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 1393960 is about 1180.6608319073. The cubic root of 1393960 is about 111.7077841699.

The spelling of 1393960 in words is "one million, three hundred ninety-three thousand, nine hundred sixty".