2469940 has 48 divisors (see below), whose sum is σ = 5765760. Its totient is φ = 881280.

The previous prime is 2469937. The next prime is 2469953. The reversal of 2469940 is 499642.

It is a super-2 number, since 2×2469940² = 12201207207200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2469896 and 2469905.

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, 22606 + ... + 22714.

It is an arithmetic number, because the mean of its divisors is an integer number (120120).

2^2469940 is an apocalyptic number.

2469940 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 2469940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2882880).

2469940 is an abundant number, since it is smaller than the sum of its proper divisors (3295820).

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

2469940 is a wasteful number, since it uses less digits than its factorization.

2469940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2469940 is about 1571.6042758914. The cubic root of 2469940 is about 135.1747166288.

The spelling of 2469940 in words is "two million, four hundred sixty-nine thousand, nine hundred forty".