3765878 has 4 divisors (see below), whose sum is σ = 5648820. Its totient is φ = 1882938.

The previous prime is 3765871. The next prime is 3765889. The reversal of 3765878 is 8785673.

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

It is a super-2 number, since 2×3765878² = 28363674221768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3765871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 941468 + ... + 941471.

It is an arithmetic number, because the mean of its divisors is an integer number (1412205).

Almost surely, 2^3765878 is an apocalyptic number.

3765878 is a deficient number, since it is larger than the sum of its proper divisors (1882942).

3765878 is a wasteful number, since it uses less digits than its factorization.

3765878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882941.

The product of its digits is 282240, while the sum is 44.

The square root of 3765878 is about 1940.5870245882. The cubic root of 3765878 is about 155.5805904907.

The spelling of 3765878 in words is "three million, seven hundred sixty-five thousand, eight hundred seventy-eight".