1390976 has 16 divisors (see below), whose sum is σ = 2771340. Its totient is φ = 695424.

The previous prime is 1390969. The next prime is 1390979. The reversal of 1390976 is 6790931.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5306 + ... + 5561.

2^1390976 is an apocalyptic number.

1390976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1390976 is a deficient number, since it is larger than the sum of its proper divisors (1380364).

1390976 is an equidigital number, since it uses as much as digits as its factorization.

1390976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10881 (or 10869 counting only the distinct ones).

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

The square root of 1390976 is about 1179.3964558197. The cubic root of 1390976 is about 111.6280176140.

The spelling of 1390976 in words is "one million, three hundred ninety thousand, nine hundred seventy-six".