3659542 has 4 divisors (see below), whose sum is σ = 5489316. Its totient is φ = 1829770.

The previous prime is 3659531. The next prime is 3659543. The reversal of 3659542 is 2459563.

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

It is a d-powerful number, because it can be written as 3¹³ + 6³ + 5⁷ + 9³ + 5⁹ + 4⁴ + 2¹⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 3659498 and 3659507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3659543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914884 + ... + 914887.

It is an arithmetic number, because the mean of its divisors is an integer number (1372329).

Almost surely, 2^3659542 is an apocalyptic number.

3659542 is a deficient number, since it is larger than the sum of its proper divisors (1829774).

3659542 is a wasteful number, since it uses less digits than its factorization.

3659542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829773.

The product of its digits is 32400, while the sum is 34.

The square root of 3659542 is about 1912.9929430084. The cubic root of 3659542 is about 154.1022259370.

The spelling of 3659542 in words is "three million, six hundred fifty-nine thousand, five hundred forty-two".