3698505 has 12 divisors (see below), whose sum is σ = 6410820. Its totient is φ = 1972512.

The previous prime is 3698489. The next prime is 3698507. The reversal of 3698505 is 5058963.

It can be written as a sum of positive squares in 2 ways, for example, as 1375929 + 2322576 = 1173^2 + 1524^2 .

It is not a de Polignac number, because 3698505 - 2⁴ = 3698489 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 3698505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3698507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41050 + ... + 41139.

It is an arithmetic number, because the mean of its divisors is an integer number (534235).

Almost surely, 2^3698505 is an apocalyptic number.

It is an amenable number.

3698505 is a deficient number, since it is larger than the sum of its proper divisors (2712315).

3698505 is a wasteful number, since it uses less digits than its factorization.

3698505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82200 (or 82197 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 3698505 is about 1923.1497601591. The cubic root of 3698505 is about 154.6472031551.

The spelling of 3698505 in words is "three million, six hundred ninety-eight thousand, five hundred five".