3809738 has 4 divisors (see below), whose sum is σ = 5714610. Its totient is φ = 1904868.

The previous prime is 3809737. The next prime is 3809749. The reversal of 3809738 is 8379083.

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., 2679769 + 1129969 = 1637^2 + 1063^2 .

It is not an unprimeable number, because it can be changed into a prime (3809731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 952433 + ... + 952436.

Almost surely, 2^3809738 is an apocalyptic number.

3809738 is a deficient number, since it is larger than the sum of its proper divisors (1904872).

3809738 is a wasteful number, since it uses less digits than its factorization.

3809738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904871.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 3809738 is about 1951.8550151074. The cubic root of 3809738 is about 156.1822601300.

The spelling of 3809738 in words is "three million, eight hundred nine thousand, seven hundred thirty-eight".