3745408 has 32 divisors (see below), whose sum is σ = 7726500. Its totient is φ = 1806336.

The previous prime is 3745397. The next prime is 3745439. The reversal of 3745408 is 8045473.

It can be written as a sum of positive squares in 2 ways, for example, as 3717184 + 28224 = 1928^2 + 168^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3745408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3208 + ... + 4216.

Almost surely, 2^3745408 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 3745408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3863250).

3745408 is an abundant number, since it is smaller than the sum of its proper divisors (3981092).

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

3745408 is a wasteful number, since it uses less digits than its factorization.

3745408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 3745408 is about 1935.3056606128. The cubic root of 3745408 is about 155.2981842324.

The spelling of 3745408 in words is "three million, seven hundred forty-five thousand, four hundred eight".