3746399 has 2 divisors, whose sum is σ = 3746400. Its totient is φ = 3746398.

The previous prime is 3746387. The next prime is 3746453. The reversal of 3746399 is 9936473.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3746399 - 2⁴ = 3746383 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 3 + 7⁷ + 4¹⁰ + 6⁷ + 3¹³ + 9 + 9 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3746329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1873199 + 1873200.

It is an arithmetic number, because the mean of its divisors is an integer number (1873200).

Almost surely, 2^3746399 is an apocalyptic number.

3746399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3746399 is an equidigital number, since it uses as much as digits as its factorization.

3746399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 41.

The square root of 3746399 is about 1935.5616755867. The cubic root of 3746399 is about 155.3118798413.

The spelling of 3746399 in words is "three million, seven hundred forty-six thousand, three hundred ninety-nine".