2479842 has 32 divisors (see below), whose sum is σ = 5803200. Its totient is φ = 782784.

The previous prime is 2479811. The next prime is 2479847. The reversal of 2479842 is 2489742.

It is a super-2 number, since 2×2479842² = 12299232689928, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹¹ + 4⁴ + 7⁶ + 9² + 8³ + 4⁹ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2479797 and 2479806.

It is not an unprimeable number, because it can be changed into a prime (2479847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183 + ... + 2234.

It is an arithmetic number, because the mean of its divisors is an integer number (181350).

2^2479842 is an apocalyptic number.

2479842 is an abundant number, since it is smaller than the sum of its proper divisors (3323358).

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

2479842 is a wasteful number, since it uses less digits than its factorization.

2479842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447 (or 2441 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2479842 is about 1574.7514089532. The cubic root of 2479842 is about 135.3551144432.

It can be divided in two parts, 2479 and 842, that added together give a triangular number (3321 = T₈₁).

The spelling of 2479842 in words is "two million, four hundred seventy-nine thousand, eight hundred forty-two".