3659481 has 24 divisors (see below), whose sum is σ = 6252480. Its totient is φ = 2018016.

The previous prime is 3659479. The next prime is 3659497. The reversal of 3659481 is 1849563.

It is not a de Polignac number, because 3659481 - 2¹ = 3659479 is a prime.

It is a super-2 number, since 2×3659481² = 26783602378722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3659401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 826 + ... + 2828.

It is an arithmetic number, because the mean of its divisors is an integer number (260520).

Almost surely, 2^3659481 is an apocalyptic number.

It is an amenable number.

3659481 is a deficient number, since it is larger than the sum of its proper divisors (2592999).

3659481 is a wasteful number, since it uses less digits than its factorization.

3659481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045 (or 2042 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3659481 is about 1912.9769993390. The cubic root of 3659481 is about 154.1013697016.

The spelling of 3659481 in words is "three million, six hundred fifty-nine thousand, four hundred eighty-one".