1390375 has 24 divisors (see below), whose sum is σ = 2027376. Its totient is φ = 949200.

The previous prime is 1390369. The next prime is 1390387. The reversal of 1390375 is 5730931.

It is not a de Polignac number, because 1390375 - 2⁵ = 1390343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6012 + ... + 6238.

It is an arithmetic number, because the mean of its divisors is an integer number (84474).

2^1390375 is an apocalyptic number.

1390375 is a deficient number, since it is larger than the sum of its proper divisors (637001).

1390375 is an equidigital number, since it uses as much as digits as its factorization.

1390375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 1390375 is about 1179.1416369546. The cubic root of 1390375 is about 111.6119382321.

The spelling of 1390375 in words is "one million, three hundred ninety thousand, three hundred seventy-five".