2749950 has 120 divisors (see below), whose sum is σ = 8822352. Its totient is φ = 622080.

The previous prime is 2749921. The next prime is 2749991. The reversal of 2749950 is 599472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 28302 + ... + 28398.

2^2749950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2749950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4411176).

2749950 is an abundant number, since it is smaller than the sum of its proper divisors (6072402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2749950 is a wasteful number, since it uses less digits than its factorization.

2749950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 2749950 is about 1658.2973195419. The cubic root of 2749950 is about 140.1011174248.

The spelling of 2749950 in words is "two million, seven hundred forty-nine thousand, nine hundred fifty".