3744240 has 40 divisors (see below), whose sum is σ = 11607888. Its totient is φ = 998400.

The previous prime is 3744227. The next prime is 3744253. The reversal of 3744240 is 424473.

It is an interprime number because it is at equal distance from previous prime (3744227) and next prime (3744253).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3744240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7561 + ... + 8040.

Almost surely, 2^3744240 is an apocalyptic number.

3744240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3744240 is an abundant number, since it is smaller than the sum of its proper divisors (7863648).

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

3744240 is a wasteful number, since it uses less digits than its factorization.

3744240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15617 (or 15611 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 3744240 is about 1935.0038759651. The cubic root of 3744240 is about 155.2820393836.

Subtracting from 3744240 its sum of digits (24), we obtain a triangular number (3744216 = T₂₇₃₆).

The spelling of 3744240 in words is "three million, seven hundred forty-four thousand, two hundred forty".