2079540 has 48 divisors (see below), whose sum is σ = 6471360. Its totient is φ = 554400.

The previous prime is 2079533. The next prime is 2079557. The reversal of 2079540 is 459702.

It is a super-2 number, since 2×2079540² = 8648973223200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) 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 (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1386 + ... + 2465.

It is an arithmetic number, because the mean of its divisors is an integer number (134820).

2^2079540 is an apocalyptic number.

2079540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2079540 is an abundant number, since it is smaller than the sum of its proper divisors (4391820).

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

2079540 is a wasteful number, since it uses less digits than its factorization.

2079540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869 (or 3861 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2079540 is about 1442.0610250610. The cubic root of 2079540 is about 127.6406751809.

The spelling of 2079540 in words is "two million, seventy-nine thousand, five hundred forty".