2399069 has 8 divisors (see below), whose sum is σ = 2479008. Its totient is φ = 2320560.

The previous prime is 2399041. The next prime is 2399081. The reversal of 2399069 is 9609932.

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 2399069 - 2¹⁶ = 2333533 is a prime.

It is a super-2 number, since 2×2399069² = 11511064133522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399029) 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, 3794 + ... + 4380.

It is an arithmetic number, because the mean of its divisors is an integer number (309876).

2^2399069 is an apocalyptic number.

It is an amenable number.

2399069 is a deficient number, since it is larger than the sum of its proper divisors (79939).

2399069 is an equidigital number, since it uses as much as digits as its factorization.

2399069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 2399069 is about 1548.8928303792. The cubic root of 2399069 is about 133.8692754975.

The spelling of 2399069 in words is "two million, three hundred ninety-nine thousand, sixty-nine".