1390702 has 8 divisors (see below), whose sum is σ = 2208816. Its totient is φ = 654432.

The previous prime is 1390699. The next prime is 1390703. The reversal of 1390702 is 2070931.

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 (1390703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20418 + ... + 20485.

It is an arithmetic number, because the mean of its divisors is an integer number (276102).

2^1390702 is an apocalyptic number.

1390702 is a deficient number, since it is larger than the sum of its proper divisors (818114).

1390702 is a wasteful number, since it uses less digits than its factorization.

1390702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40922.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1390702 is about 1179.2802889899. The cubic root of 1390702 is about 111.6206874887.

The spelling of 1390702 in words is "one million, three hundred ninety thousand, seven hundred two".