2378739 has 12 divisors (see below), whose sum is σ = 3486728. Its totient is φ = 1441440.

The previous prime is 2378737. The next prime is 2378749. The reversal of 2378739 is 9378732.

It is not a de Polignac number, because 2378739 - 2¹ = 2378737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2378697 and 2378706.

It is not an unprimeable number, because it can be changed into a prime (2378737) 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, 2914 + ... + 3639.

2^2378739 is an apocalyptic number.

2378739 is a deficient number, since it is larger than the sum of its proper divisors (1107989).

2378739 is a wasteful number, since it uses less digits than its factorization.

2378739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578 (or 6567 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 2378739 is about 1542.3161154575. The cubic root of 2378739 is about 133.4900608404.

The spelling of 2378739 in words is "two million, three hundred seventy-eight thousand, seven hundred thirty-nine".