3685442 has 8 divisors (see below), whose sum is σ = 5546556. Its totient is φ = 1836592.

The previous prime is 3685441. The next prime is 3685453. The reversal of 3685442 is 2445863.

It can be written as a sum of positive squares in 2 ways, for example, as 3575881 + 109561 = 1891^2 + 331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3685399 and 3685408.

It is not an unprimeable number, because it can be changed into a prime (3685441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2273 + ... + 3540.

Almost surely, 2^3685442 is an apocalyptic number.

3685442 is a deficient number, since it is larger than the sum of its proper divisors (1861114).

3685442 is a wasteful number, since it uses less digits than its factorization.

3685442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6132.

The product of its digits is 23040, while the sum is 32.

The square root of 3685442 is about 1919.7505046229. The cubic root of 3685442 is about 154.4649187394.

The spelling of 3685442 in words is "three million, six hundred eighty-five thousand, four hundred forty-two".