1990794 has 16 divisors (see below), whose sum is σ = 4288032. Its totient is φ = 612528.

The previous prime is 1990787. The next prime is 1990823. The reversal of 1990794 is 4970991.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon 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, 12684 + ... + 12839.

It is an arithmetic number, because the mean of its divisors is an integer number (268002).

2^1990794 is an apocalyptic number.

1990794 is an abundant number, since it is smaller than the sum of its proper divisors (2297238).

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

1990794 is a wasteful number, since it uses less digits than its factorization.

1990794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25541.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 1990794 is about 1410.9549957387. The cubic root of 1990794 is about 125.7984937343.

The spelling of 1990794 in words is "one million, nine hundred ninety thousand, seven hundred ninety-four".