3701993 has 6 divisors (see below), whose sum is σ = 3755502. Its totient is φ = 3648960.

The previous prime is 3701983. The next prime is 3702007. The reversal of 3701993 is 3991073.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1227664 + 2474329 = 1108^2 + 1573^2 .

It is not a de Polignac number, because 3701993 - 2⁴ = 3701977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3701963) 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 in 5 ways as a sum of consecutive naturals, for example, 20363 + ... + 20543.

It is an arithmetic number, because the mean of its divisors is an integer number (625917).

Almost surely, 2^3701993 is an apocalyptic number.

It is an amenable number.

3701993 is a deficient number, since it is larger than the sum of its proper divisors (53509).

3701993 is an equidigital number, since it uses as much as digits as its factorization.

3701993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 3701993 is about 1924.0563921050. The cubic root of 3701993 is about 154.6958029689.

The spelling of 3701993 in words is "three million, seven hundred one thousand, nine hundred ninety-three".