2342728 has 8 divisors (see below), whose sum is σ = 4392630. Its totient is φ = 1171360.

The previous prime is 2342723. The next prime is 2342731. The reversal of 2342728 is 8272432.

It can be written as a sum of positive squares in only one way, i.e., 2316484 + 26244 = 1522^2 + 162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2342696 and 2342705.

It is not an unprimeable number, because it can be changed into a prime (2342723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146413 + ... + 146428.

2^2342728 is an apocalyptic number.

It is an amenable number.

2342728 is a deficient number, since it is larger than the sum of its proper divisors (2049902).

2342728 is a wasteful number, since it uses less digits than its factorization.

2342728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292847 (or 292843 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 2342728 is about 1530.5972690424. The cubic root of 2342728 is about 132.8130110153.

The spelling of 2342728 in words is "two million, three hundred forty-two thousand, seven hundred twenty-eight".