790440 has 64 divisors (see below), whose sum is σ = 2712960. Its totient is φ = 180480.

The previous prime is 790429. The next prime is 790451. The reversal of 790440 is 44097.

It is an interprime number because it is at equal distance from previous prime (790429) and next prime (790451).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 790440.

It is an unprimeable number.

790440 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370 + ... + 1310.

It is an arithmetic number, because the mean of its divisors is an integer number (42390).

2⁷⁹⁰⁴⁴⁰ is an apocalyptic number.

790440 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 790440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356480).

790440 is an abundant number, since it is smaller than the sum of its proper divisors (1922520).

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

790440 is a wasteful number, since it uses less digits than its factorization.

790440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 790440 is about 889.0669266146. The cubic root of 790440 is about 92.4605139478.

The spelling of 790440 in words is "seven hundred ninety thousand, four hundred forty".