3696442 has 4 divisors (see below), whose sum is σ = 5544666. Its totient is φ = 1848220.

The previous prime is 3696421. The next prime is 3696449. The reversal of 3696442 is 2446963.

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., 3651921 + 44521 = 1911^2 + 211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3696398 and 3696407.

It is not an unprimeable number, because it can be changed into a prime (3696449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924109 + ... + 924112.

Almost surely, 2^3696442 is an apocalyptic number.

3696442 is a deficient number, since it is larger than the sum of its proper divisors (1848224).

3696442 is a wasteful number, since it uses less digits than its factorization.

3696442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848223.

The product of its digits is 31104, while the sum is 34.

The square root of 3696442 is about 1922.6133256586. The cubic root of 3696442 is about 154.6184441008.

The spelling of 3696442 in words is "three million, six hundred ninety-six thousand, four hundred forty-two".