1390502 has 8 divisors (see below), whose sum is σ = 2095200. Its totient is φ = 692104.

The previous prime is 1390489. The next prime is 1390507. The reversal of 1390502 is 2050931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390507) 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, 977 + ... + 1932.

It is an arithmetic number, because the mean of its divisors is an integer number (261900).

2^1390502 is an apocalyptic number.

1390502 is a deficient number, since it is larger than the sum of its proper divisors (704698).

1390502 is a wasteful number, since it uses less digits than its factorization.

1390502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1390502 is about 1179.1954884581. The cubic root of 1390502 is about 111.6153364243.

The spelling of 1390502 in words is "one million, three hundred ninety thousand, five hundred two".