2345864 has 32 divisors (see below), whose sum is σ = 4769280. Its totient is φ = 1077504.

The previous prime is 2345843. The next prime is 2345867. The reversal of 2345864 is 4685432.

It is a d-powerful number, because it can be written as 2¹⁷ + 3¹³ + 4⁴ + 5⁷ + 8 + 6⁷ + 4⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2345864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345867) 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, 6209 + ... + 6575.

It is an arithmetic number, because the mean of its divisors is an integer number (149040).

2^2345864 is an apocalyptic number.

It is an amenable number.

2345864 is an abundant number, since it is smaller than the sum of its proper divisors (2423416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2345864 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 2345864 = (4364825)₉.

2345864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 433 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 2345864 is about 1531.6213631312. The cubic root of 2345864 is about 132.8722462169.

The spelling of 2345864 in words is "two million, three hundred forty-five thousand, eight hundred sixty-four".