3701839 has 2 divisors, whose sum is σ = 3701840. Its totient is φ = 3701838.

The previous prime is 3701809. The next prime is 3701881. The reversal of 3701839 is 9381073.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3701839 - 2⁵ = 3701807 is a prime.

It is a super-2 number, since 2×3701839² = 27407223963842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3701839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3701809) 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, 1850919 + 1850920.

It is an arithmetic number, because the mean of its divisors is an integer number (1850920).

Almost surely, 2^3701839 is an apocalyptic number.

3701839 is a deficient number, since it is larger than the sum of its proper divisors (1).

3701839 is an equidigital number, since it uses as much as digits as its factorization.

3701839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 3701839 is about 1924.0163720717. The cubic root of 3701839 is about 154.6936578646.

It can be divided in two parts, 370 and 1839, that added together give a square (2209 = 47²).

The spelling of 3701839 in words is "three million, seven hundred one thousand, eight hundred thirty-nine".