1390606 has 16 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 587160.

The previous prime is 1390601. The next prime is 1390607. The reversal of 1390606 is 6060931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (151200).

2^1390606 is an apocalyptic number.

1390606 is a deficient number, since it is larger than the sum of its proper divisors (1028594).

1390606 is a wasteful number, since it uses less digits than its factorization.

1390606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1390606 is about 1179.2395854957. The cubic root of 1390606 is about 111.6181190418.

The spelling of 1390606 in words is "one million, three hundred ninety thousand, six hundred six".