3693842 has 4 divisors (see below), whose sum is σ = 5540766. Its totient is φ = 1846920.

The previous prime is 3693841. The next prime is 3693853. The reversal of 3693842 is 2483963.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2483963 = 229 ⋅10847.

It can be written as a sum of positive squares in only one way, i.e., 3243601 + 450241 = 1801^2 + 671^2 .

It is not an unprimeable number, because it can be changed into a prime (3693841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 923459 + ... + 923462.

Almost surely, 2^3693842 is an apocalyptic number.

3693842 is a deficient number, since it is larger than the sum of its proper divisors (1846924).

3693842 is a wasteful number, since it uses less digits than its factorization.

3693842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846923.

The product of its digits is 31104, while the sum is 35.

The square root of 3693842 is about 1921.9370437140. The cubic root of 3693842 is about 154.5821838046.

The spelling of 3693842 in words is "three million, six hundred ninety-three thousand, eight hundred forty-two".