1390116 has 96 divisors (see below), whose sum is σ = 4264960. Its totient is φ = 342144.

The previous prime is 1390111. The next prime is 1390117. The reversal of 1390116 is 6110931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1390092 and 1390101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20715 + ... + 20781.

2^1390116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1390116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2132480).

1390116 is an abundant number, since it is smaller than the sum of its proper divisors (2874844).

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

1390116 is a wasteful number, since it uses less digits than its factorization.

1390116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1390116 is about 1179.0318061868. The cubic root of 1390116 is about 111.6050074191.

Adding to 1390116 its product of nonzero digits (162), we get a triangular number (1390278 = T₁₆₆₇).

The spelling of 1390116 in words is "one million, three hundred ninety thousand, one hundred sixteen".