2393437 has 4 divisors (see below), whose sum is σ = 2397376. Its totient is φ = 2389500.

The previous prime is 2393431. The next prime is 2393467. The reversal of 2393437 is 7343932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2393437 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²¹ + 3¹⁰ + 9 + 3¹⁰ + 4⁵ + 3¹¹ + 7 .

It is a Duffinian number.

2393437 is a lucky number.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2393399 and 2393408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2393431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843 + ... + 2344.

It is an arithmetic number, because the mean of its divisors is an integer number (599344).

2^2393437 is an apocalyptic number.

It is an amenable number.

2393437 is a deficient number, since it is larger than the sum of its proper divisors (3939).

2393437 is an equidigital number, since it uses as much as digits as its factorization.

2393437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938.

The product of its digits is 13608, while the sum is 31.

The square root of 2393437 is about 1547.0736892598. The cubic root of 2393437 is about 133.7644372572.

The spelling of 2393437 in words is "two million, three hundred ninety-three thousand, four hundred thirty-seven".