1038720 has 64 divisors (see below), whose sum is σ = 3317040. Its totient is φ = 276480.

The previous prime is 1038707. The next prime is 1038721. The reversal of 1038720 is 278301.

1038720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038721) 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, 1650 + ... + 2190.

2^1038720 is an apocalyptic number.

1038720 is a gapful number since it is divisible by the number (10) 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 1038720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658520).

1038720 is an abundant number, since it is smaller than the sum of its proper divisors (2278320).

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

1038720 is an equidigital number, since it uses as much as digits as its factorization.

1038720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1038720 is about 1019.1761378682. The cubic root of 1038720 is about 101.2743578038.

The spelling of 1038720 in words is "one million, thirty-eight thousand, seven hundred twenty".