2392740 has 120 divisors (see below), whose sum is σ = 8619072. Its totient is φ = 544320.

The previous prime is 2392729. The next prime is 2392751. The reversal of 2392740 is 472932.

It is an interprime number because it is at equal distance from previous prime (2392729) and next prime (2392751).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11235 + ... + 11445.

2^2392740 is an apocalyptic number.

2392740 is a gapful number since it is divisible by the number (20) 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 2392740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4309536).

2392740 is an abundant number, since it is smaller than the sum of its proper divisors (6226332).

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

2392740 is a wasteful number, since it uses less digits than its factorization.

2392740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2392740 is about 1546.8484088624. The cubic root of 2392740 is about 133.7514513483.

The spelling of 2392740 in words is "two million, three hundred ninety-two thousand, seven hundred forty".