3699842 has 4 divisors (see below), whose sum is σ = 5549766. Its totient is φ = 1849920.

The previous prime is 3699841. The next prime is 3699847. The reversal of 3699842 is 2489963.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2531281 + 1168561 = 1591^2 + 1081^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3699842.

It is not an unprimeable number, because it can be changed into a prime (3699841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924959 + ... + 924962.

Almost surely, 2^3699842 is an apocalyptic number.

3699842 is a deficient number, since it is larger than the sum of its proper divisors (1849924).

3699842 is a wasteful number, since it uses less digits than its factorization.

3699842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849923.

The product of its digits is 93312, while the sum is 41.

The square root of 3699842 is about 1923.4973355843. The cubic root of 3699842 is about 154.6658357648.

The spelling of 3699842 in words is "three million, six hundred ninety-nine thousand, eight hundred forty-two".