2723398 has 4 divisors (see below), whose sum is σ = 4085100. Its totient is φ = 1361698.

The previous prime is 2723393. The next prime is 2723401. The reversal of 2723398 is 8933272.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680848 + ... + 680851.

It is an arithmetic number, because the mean of its divisors is an integer number (1021275).

2^2723398 is an apocalyptic number.

2723398 is a deficient number, since it is larger than the sum of its proper divisors (1361702).

2723398 is a wasteful number, since it uses less digits than its factorization.

2723398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361701.

The product of its digits is 18144, while the sum is 34.

The square root of 2723398 is about 1650.2720987764. The cubic root of 2723398 is about 139.6487453026.

It can be divided in two parts, 272339 and 8, that multiplied together give a palindrome (2178712).

The spelling of 2723398 in words is "two million, seven hundred twenty-three thousand, three hundred ninety-eight".