3902386 has 4 divisors (see below), whose sum is σ = 5853582. Its totient is φ = 1951192.

The previous prime is 3902377. The next prime is 3902399. The reversal of 3902386 is 6832093.

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., 2387025 + 1515361 = 1545^2 + 1231^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 975595 + ... + 975598.

Almost surely, 2^3902386 is an apocalyptic number.

3902386 is a deficient number, since it is larger than the sum of its proper divisors (1951196).

3902386 is a wasteful number, since it uses less digits than its factorization.

3902386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951195.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3902386 is about 1975.4457724777. The cubic root of 3902386 is about 157.4381851990.

The spelling of 3902386 in words is "three million, nine hundred two thousand, three hundred eighty-six".