3698791 has 4 divisors (see below), whose sum is σ = 3859632. Its totient is φ = 3537952.

The previous prime is 3698789. The next prime is 3698797. The reversal of 3698791 is 1978963.

3698791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3698791 - 2¹ = 3698789 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3698797) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 80386 + ... + 80431.

It is an arithmetic number, because the mean of its divisors is an integer number (964908).

Almost surely, 2^3698791 is an apocalyptic number.

3698791 is a deficient number, since it is larger than the sum of its proper divisors (160841).

3698791 is a wasteful number, since it uses less digits than its factorization.

3698791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160840.

The product of its digits is 81648, while the sum is 43.

The square root of 3698791 is about 1923.2241159054. The cubic root of 3698791 is about 154.6511892666.

It can be divided in two parts, 3698 and 791, that added together give a square (4489 = 67²).

The spelling of 3698791 in words is "three million, six hundred ninety-eight thousand, seven hundred ninety-one".