3734388 has 108 divisors (see below), whose sum is σ = 11515140. Its totient is φ = 1016064.

The previous prime is 3734383. The next prime is 3734399. The reversal of 3734388 is 8834373.

It can be written as a sum of positive squares in 2 ways, for example, as 2039184 + 1695204 = 1428^2 + 1302^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (48384) is a multiple of the sum of its prime factors (126).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3734383) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51120 + ... + 51192.

Almost surely, 2^3734388 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 3734388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5757570).

3734388 is an abundant number, since it is smaller than the sum of its proper divisors (7780752).

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

3734388 is a wasteful number, since it uses less digits than its factorization.

3734388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 114 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 3734388 is about 1932.4564678150. The cubic root of 3734388 is about 155.1457249016.

It can be divided in two parts, 373 and 4388, that added together give a square (4761 = 69²).

The spelling of 3734388 in words is "three million, seven hundred thirty-four thousand, three hundred eighty-eight".