2400769 has 8 divisors (see below), whose sum is σ = 2790720. Its totient is φ = 2022576.

The previous prime is 2400767. The next prime is 2400773. The reversal of 2400769 is 9670042.

2400769 = 172² + 173² + ... + 230².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2400769 - 2¹ = 2400767 is a prime.

It is a super-2 number, since 2×2400769² = 11527383582722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2494 + ... + 3319.

It is an arithmetic number, because the mean of its divisors is an integer number (348840).

2^2400769 is an apocalyptic number.

It is an amenable number.

2400769 is a deficient number, since it is larger than the sum of its proper divisors (389951).

2400769 is an equidigital number, since it uses as much as digits as its factorization.

2400769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5879.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2400769 is about 1549.4415122876. The cubic root of 2400769 is about 133.9008883210.

The spelling of 2400769 in words is "two million, four hundred thousand, seven hundred sixty-nine".