3878933 has 4 divisors (see below), whose sum is σ = 3919020. Its totient is φ = 3838848.

The previous prime is 3878923. The next prime is 3878947. The reversal of 3878933 is 3398783.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1129969 + 2748964 = 1063^2 + 1658^2 .

It is a cyclic number.

It is not a de Polignac number, because 3878933 - 2¹² = 3874837 is a prime.

It is a super-2 number, since 2×3878933² = 30092242436978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878923) 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, 19898 + ... + 20091.

It is an arithmetic number, because the mean of its divisors is an integer number (979755).

Almost surely, 2^3878933 is an apocalyptic number.

It is an amenable number.

3878933 is a deficient number, since it is larger than the sum of its proper divisors (40087).

3878933 is an equidigital number, since it uses as much as digits as its factorization.

3878933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40086.

The product of its digits is 108864, while the sum is 41.

The square root of 3878933 is about 1969.5006981466. The cubic root of 3878933 is about 157.1221546517.

The spelling of 3878933 in words is "three million, eight hundred seventy-eight thousand, nine hundred thirty-three".