3813730 has 8 divisors (see below), whose sum is σ = 6864732. Its totient is φ = 1525488.

The previous prime is 3813679. The next prime is 3813751. The reversal of 3813730 is 373183.

It can be written as a sum of positive squares in 2 ways, for example, as 3798601 + 15129 = 1949^2 + 123^2 .

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 = 3813695 and 3813704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190677 + ... + 190696.

Almost surely, 2^3813730 is an apocalyptic number.

3813730 is a deficient number, since it is larger than the sum of its proper divisors (3051002).

3813730 is a wasteful number, since it uses less digits than its factorization.

3813730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381380.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 3813730 is about 1952.8773643012. The cubic root of 3813730 is about 156.2367924836.

The spelling of 3813730 in words is "three million, eight hundred thirteen thousand, seven hundred thirty".