3729440 has 96 divisors (see below), whose sum is σ = 10414656. Its totient is φ = 1244160.

The previous prime is 3729437. The next prime is 3729457. The reversal of 3729440 is 449273.

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, 22799 + ... + 22961.

It is an arithmetic number, because the mean of its divisors is an integer number (108486).

Almost surely, 2^3729440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3729440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5207328).

3729440 is an abundant number, since it is smaller than the sum of its proper divisors (6685216).

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

3729440 is a wasteful number, since it uses less digits than its factorization.

3729440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 3729440 is about 1931.1758076364. The cubic root of 3729440 is about 155.0771728084.

The spelling of 3729440 in words is "three million, seven hundred twenty-nine thousand, four hundred forty".