3746405 has 8 divisors (see below), whose sum is σ = 4841592. Its totient is φ = 2766528.

The previous prime is 3746399. The next prime is 3746453. The reversal of 3746405 is 5046473.

3746405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 113569 + 3632836 = 337^2 + 1906^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3746405 - 2¹⁶ = 3680869 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28754 + ... + 28883.

It is an arithmetic number, because the mean of its divisors is an integer number (605199).

Almost surely, 2^3746405 is an apocalyptic number.

It is an amenable number.

3746405 is a deficient number, since it is larger than the sum of its proper divisors (1095187).

3746405 is a wasteful number, since it uses less digits than its factorization.

3746405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57655.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 3746405 is about 1935.5632255238. The cubic root of 3746405 is about 155.3119627539.

The spelling of 3746405 in words is "three million, seven hundred forty-six thousand, four hundred five".