2309748 has 48 divisors (see below), whose sum is σ = 6365184. Its totient is φ = 637920.

The previous prime is 2309743. The next prime is 2309753. The reversal of 2309748 is 8479032.

It is an interprime number because it is at equal distance from previous prime (2309743) and next prime (2309753).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2161 + ... + 3047.

It is an arithmetic number, because the mean of its divisors is an integer number (132608).

2^2309748 is an apocalyptic number.

2309748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2309748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3182592).

2309748 is an abundant number, since it is smaller than the sum of its proper divisors (4055436).

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

2309748 is a wasteful number, since it uses less digits than its factorization.

2309748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2309748 is about 1519.7855111824. The cubic root of 2309748 is about 132.1868336849.

The spelling of 2309748 in words is "two million, three hundred nine thousand, seven hundred forty-eight".