2308738 has 4 divisors (see below), whose sum is σ = 3463110. Its totient is φ = 1154368.

The previous prime is 2308727. The next prime is 2308741. The reversal of 2308738 is 8378032.

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

It can be written as a sum of positive squares in only one way, i.e., 2259009 + 49729 = 1503^2 + 223^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577183 + ... + 577186.

2^2308738 is an apocalyptic number.

2308738 is a deficient number, since it is larger than the sum of its proper divisors (1154372).

2308738 is a wasteful number, since it uses less digits than its factorization.

2308738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154371.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2308738 is about 1519.4531911184. The cubic root of 2308738 is about 132.1675634489.

The spelling of 2308738 in words is "two million, three hundred eight thousand, seven hundred thirty-eight".