2239730 has 16 divisors (see below), whose sum is σ = 4074840. Its totient is φ = 886272.

The previous prime is 2239723. The next prime is 2239747. The reversal of 2239730 is 379322.

It can be written as a sum of positive squares in 4 ways, for example, as 2036329 + 203401 = 1427^2 + 451^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2239730.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185 + ... + 2124.

2^2239730 is an apocalyptic number.

2239730 is a deficient number, since it is larger than the sum of its proper divisors (1835110).

2239730 is a wasteful number, since it uses less digits than its factorization.

2239730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 2239730 is about 1496.5727513222. The cubic root of 2239730 is about 130.8373951255.

The spelling of 2239730 in words is "two million, two hundred thirty-nine thousand, seven hundred thirty".