1390746 has 16 divisors (see below), whose sum is σ = 3178944. Its totient is φ = 397344.

The previous prime is 1390733. The next prime is 1390757. The reversal of 1390746 is 6470931.

It is a happy 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, 16515 + ... + 16598.

It is an arithmetic number, because the mean of its divisors is an integer number (198684).

2^1390746 is an apocalyptic number.

1390746 is an abundant number, since it is smaller than the sum of its proper divisors (1788198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1390746 is a wasteful number, since it uses less digits than its factorization.

1390746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33125.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1390746 is about 1179.2989442885. The cubic root of 1390746 is about 111.6218646540.

The spelling of 1390746 in words is "one million, three hundred ninety thousand, seven hundred forty-six".