2394639 has 24 divisors (see below), whose sum is σ = 3781232. Its totient is φ = 1451520.

The previous prime is 2394631. The next prime is 2394641. The reversal of 2394639 is 9364932.

It is a happy number.

It is not a de Polignac number, because 2394639 - 2³ = 2394631 is a prime.

Its product of digits (34992) is a multiple of the sum of its prime divisors (324).

2394639 is a lucky number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2394631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11244 + ... + 11454.

2^2394639 is an apocalyptic number.

2394639 is a deficient number, since it is larger than the sum of its proper divisors (1386593).

2394639 is a wasteful number, since it uses less digits than its factorization.

2394639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 324 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 2394639 is about 1547.4621158529. The cubic root of 2394639 is about 133.7868259734.

The spelling of 2394639 in words is "two million, three hundred ninety-four thousand, six hundred thirty-nine".