4012878 has 8 divisors (see below), whose sum is σ = 8025768. Its totient is φ = 1337624.

The previous prime is 4012873. The next prime is 4012927. The reversal of 4012878 is 8782104.

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

4012878 is an admirable number.

It is a super-2 number, since 2×4012878² = 32206379685768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012871) 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, 334401 + ... + 334412.

It is an arithmetic number, because the mean of its divisors is an integer number (1003221).

Almost surely, 2^4012878 is an apocalyptic number.

4012878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4012878 is a wasteful number, since it uses less digits than its factorization.

4012878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668818.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 4012878 is about 2003.2169128679. The cubic root of 4012878 is about 158.9102772938.

The spelling of 4012878 in words is "four million, twelve thousand, eight hundred seventy-eight".