3694442 has 4 divisors (see below), whose sum is σ = 5541666. Its totient is φ = 1847220.

The previous prime is 3694433. The next prime is 3694451. The reversal of 3694442 is 2444963.

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

It is an interprime number because it is at equal distance from previous prime (3694433) and next prime (3694451).

It can be written as a sum of positive squares in only one way, i.e., 3682561 + 11881 = 1919^2 + 109^2 .

It is a d-powerful number, because it can be written as 3⁸ + 6⁷ + 9 + 4³ + 4⁹ + 4¹⁰ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 3694399 and 3694408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 923609 + ... + 923612.

Almost surely, 2^3694442 is an apocalyptic number.

3694442 is a deficient number, since it is larger than the sum of its proper divisors (1847224).

3694442 is a wasteful number, since it uses less digits than its factorization.

3694442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847223.

The product of its digits is 20736, while the sum is 32.

The square root of 3694442 is about 1922.0931298977. The cubic root of 3694442 is about 154.5905530751.

The spelling of 3694442 in words is "three million, six hundred ninety-four thousand, four hundred forty-two".