1399074 has 16 divisors (see below), whose sum is σ = 2812320. Its totient is φ = 464000.

The previous prime is 1399063. The next prime is 1399109. The reversal of 1399074 is 4709931.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 1042 + ... + 1970.

It is an arithmetic number, because the mean of its divisors is an integer number (175770).

2^1399074 is an apocalyptic number.

1399074 is an abundant number, since it is smaller than the sum of its proper divisors (1413246).

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

1399074 is a wasteful number, since it uses less digits than its factorization.

1399074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 1399074 is about 1182.8245854733. The cubic root of 1399074 is about 111.8442243406.

The spelling of 1399074 in words is "one million, three hundred ninety-nine thousand, seventy-four".