1058240 has 28 divisors (see below), whose sum is σ = 2520696. Its totient is φ = 423168.

The previous prime is 1058227. The next prime is 1058249. The reversal of 1058240 is 428501.

It is a super-2 number, since 2×1058240² = 2239743795200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334 + ... + 1973.

2^1058240 is an apocalyptic number.

1058240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1058240 is an abundant number, since it is smaller than the sum of its proper divisors (1462456).

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

1058240 is an equidigital number, since it uses as much as digits as its factorization.

1058240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324 (or 3314 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1058240 is about 1028.7079274507. The cubic root of 1058240 is about 101.9048195794.

The spelling of 1058240 in words is "one million, fifty-eight thousand, two hundred forty".