2509974 has 32 divisors (see below), whose sum is σ = 5689440. Its totient is φ = 819936.

The previous prime is 2509963. The next prime is 2509981. The reversal of 2509974 is 4799052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2424 + ... + 3300.

It is an arithmetic number, because the mean of its divisors is an integer number (177795).

2^2509974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2509974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2844720).

2509974 is an abundant number, since it is smaller than the sum of its proper divisors (3179466).

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

2509974 is a wasteful number, since it uses less digits than its factorization.

2509974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 935 counting only the distinct ones).

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

The square root of 2509974 is about 1584.2897462270. The cubic root of 2509974 is about 135.9011320072.

It can be divided in two parts, 250997 and 4, that added together give a square (251001 = 501²).

The spelling of 2509974 in words is "two million, five hundred nine thousand, nine hundred seventy-four".