2479620 has 144 divisors (see below), whose sum is σ = 8664768. Its totient is φ = 522240.

The previous prime is 2479619. The next prime is 2479627. The reversal of 2479620 is 269742.

It is a happy number.

It is a super-2 number, since 2×2479620² = 12297030688800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2479627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145852 + ... + 145868.

It is an arithmetic number, because the mean of its divisors is an integer number (60172).

2^2479620 is an apocalyptic number.

2479620 is a gapful number since it is divisible by the number (20) 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 2479620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4332384).

2479620 is an abundant number, since it is smaller than the sum of its proper divisors (6185148).

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

2479620 is a wasteful number, since it uses less digits than its factorization.

2479620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2479620 is about 1574.6809200597. The cubic root of 2479620 is about 135.3510752433.

The spelling of 2479620 in words is "two million, four hundred seventy-nine thousand, six hundred twenty".