3800278 has 8 divisors (see below), whose sum is σ = 5709168. Its totient is φ = 1897224.

The previous prime is 3800273. The next prime is 3800281. The reversal of 3800278 is 8720083.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3800278² = 28884225754568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3800273) 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, 1000 + ... + 2932.

It is an arithmetic number, because the mean of its divisors is an integer number (713646).

Almost surely, 2^3800278 is an apocalyptic number.

3800278 is a deficient number, since it is larger than the sum of its proper divisors (1908890).

3800278 is a wasteful number, since it uses less digits than its factorization.

3800278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 3800278 is about 1949.4301731532. The cubic root of 3800278 is about 156.0528803853.

The spelling of 3800278 in words is "three million, eight hundred thousand, two hundred seventy-eight".