2440669 has 16 divisors (see below), whose sum is σ = 3150720. Its totient is φ = 1834560.

The previous prime is 2440667. The next prime is 2440679. The reversal of 2440669 is 9660442.

It is not a de Polignac number, because 2440669 - 2¹ = 2440667 is a prime.

It is a super-2 number, since 2×2440669² = 11913730335122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2440669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440667) 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, 1687 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (196920).

2^2440669 is an apocalyptic number.

2440669 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2440669 is a deficient number, since it is larger than the sum of its proper divisors (710051).

2440669 is a wasteful number, since it uses less digits than its factorization.

2440669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2440669 is about 1562.2640621867. The cubic root of 2440669 is about 134.6386127829.

The spelling of 2440669 in words is "two million, four hundred forty thousand, six hundred sixty-nine".