2343649 has 12 divisors (see below), whose sum is σ = 2945152. Its totient is φ = 1825560.

The previous prime is 2343643. The next prime is 2343661. The reversal of 2343649 is 9463432.

It is not a de Polignac number, because 2343649 - 2³ = 2343641 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

2343649 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2343649.

It is not an unprimeable number, because it can be changed into a prime (2343641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537 + ... + 2230.

2^2343649 is an apocalyptic number.

It is an amenable number.

2343649 is a deficient number, since it is larger than the sum of its proper divisors (601503).

2343649 is a wasteful number, since it uses less digits than its factorization.

2343649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796 (or 2785 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 2343649 is about 1530.8981024222. The cubic root of 2343649 is about 132.8304130579.

It can be divided in two parts, 2343 and 649, that added together give a palindrome (2992).

The spelling of 2343649 in words is "two million, three hundred forty-three thousand, six hundred forty-nine".