2642393 has 16 divisors (see below), whose sum is σ = 3030720. Its totient is φ = 2286144.

The previous prime is 2642389. The next prime is 2642449. The reversal of 2642393 is 3932462.

It is a cyclic number.

It is not a de Polignac number, because 2642393 - 2² = 2642389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a d-powerful number, because it can be written as 2 + 6⁷ + 4⁹ + 2²¹ + 3⁵ + 9³ + 3⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16130 + ... + 16292.

It is an arithmetic number, because the mean of its divisors is an integer number (189420).

2^2642393 is an apocalyptic number.

It is an amenable number.

2642393 is a deficient number, since it is larger than the sum of its proper divisors (388327).

2642393 is a wasteful number, since it uses less digits than its factorization.

2642393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248.

The product of its digits is 7776, while the sum is 29.

The square root of 2642393 is about 1625.5439089732. The cubic root of 2642393 is about 138.2502111881.

The spelling of 2642393 in words is "two million, six hundred forty-two thousand, three hundred ninety-three".