3681542 has 4 divisors (see below), whose sum is σ = 5522316. Its totient is φ = 1840770.

The previous prime is 3681527. The next prime is 3681553. The reversal of 3681542 is 2451863.

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

It is a pancake number, because a pancake can be divided into 3681542 parts by 2713 straight cuts.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920384 + ... + 920387.

It is an arithmetic number, because the mean of its divisors is an integer number (1380579).

Almost surely, 2^3681542 is an apocalyptic number.

3681542 is a deficient number, since it is larger than the sum of its proper divisors (1840774).

3681542 is a wasteful number, since it uses less digits than its factorization.

3681542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840773.

The product of its digits is 5760, while the sum is 29.

The square root of 3681542 is about 1918.7344787646. The cubic root of 3681542 is about 154.4104136712.

The spelling of 3681542 in words is "three million, six hundred eighty-one thousand, five hundred forty-two".