2749930 has 8 divisors (see below), whose sum is σ = 4949892. Its totient is φ = 1099968.

The previous prime is 2749921. The next prime is 2749991. The reversal of 2749930 is 399472.

It can be written as a sum of positive squares in 2 ways, for example, as 2518569 + 231361 = 1587^2 + 481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137487 + ... + 137506.

2^2749930 is an apocalyptic number.

2749930 is a deficient number, since it is larger than the sum of its proper divisors (2199962).

2749930 is a wasteful number, since it uses less digits than its factorization.

2749930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275000.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2749930 is about 1658.2912892493. The cubic root of 2749930 is about 140.1007777787.

It can be divided in two parts, 27499 and 30, that multiplied together give a triangular number (824970 = T₁₂₈₄).

The spelling of 2749930 in words is "two million, seven hundred forty-nine thousand, nine hundred thirty".