3744405 has 24 divisors (see below), whose sum is σ = 7418112. Its totient is φ = 1711584.

The previous prime is 3744401. The next prime is 3744409. The reversal of 3744405 is 5044473.

It is an interprime number because it is at equal distance from previous prime (3744401) and next prime (3744409).

It is not a de Polignac number, because 3744405 - 2² = 3744401 is a prime.

3744405 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3744401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5629 + ... + 6258.

It is an arithmetic number, because the mean of its divisors is an integer number (309088).

Almost surely, 2^3744405 is an apocalyptic number.

3744405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3744405 is a deficient number, since it is larger than the sum of its proper divisors (3673707).

3744405 is a wasteful number, since it uses less digits than its factorization.

3744405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11905 (or 11902 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 3744405 is about 1935.0465110689. The cubic root of 3744405 is about 155.2843203236.

Adding to 3744405 its reverse (5044473), we get a palindrome (8788878).

The spelling of 3744405 in words is "three million, seven hundred forty-four thousand, four hundred five".