1390748 has 24 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 665840.

The previous prime is 1390733. The next prime is 1390757. The reversal of 1390748 is 8470931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16715 + ... + 16797.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2^1390748 is an apocalyptic number.

It is an amenable number.

1390748 is a deficient number, since it is larger than the sum of its proper divisors (1149412).

1390748 is a wasteful number, since it uses less digits than its factorization.

1390748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1390748 is about 1179.2997922496. The cubic root of 1390748 is about 111.6219181609.

The spelling of 1390748 in words is "one million, three hundred ninety thousand, seven hundred forty-eight".