2749234 has 4 divisors (see below), whose sum is σ = 4123854. Its totient is φ = 1374616.

The previous prime is 2749231. The next prime is 2749237. The reversal of 2749234 is 4329472.

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

It is an interprime number because it is at equal distance from previous prime (2749231) and next prime (2749237).

It can be written as a sum of positive squares in only one way, i.e., 2544025 + 205209 = 1595^2 + 453^2 .

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 Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2749196 and 2749205.

It is not an unprimeable number, because it can be changed into a prime (2749231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687307 + ... + 687310.

2^2749234 is an apocalyptic number.

2749234 is a deficient number, since it is larger than the sum of its proper divisors (1374620).

2749234 is a wasteful number, since it uses less digits than its factorization.

2749234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374619.

The product of its digits is 12096, while the sum is 31.

The square root of 2749234 is about 1658.0814214025. The cubic root of 2749234 is about 140.0889570695.

The spelling of 2749234 in words is "two million, seven hundred forty-nine thousand, two hundred thirty-four".