4029878 has 4 divisors (see below), whose sum is σ = 6044820. Its totient is φ = 2014938.

The previous prime is 4029871. The next prime is 4029911. The reversal of 4029878 is 8789204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4029871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007468 + ... + 1007471.

It is an arithmetic number, because the mean of its divisors is an integer number (1511205).

Almost surely, 2^4029878 is an apocalyptic number.

4029878 is a deficient number, since it is larger than the sum of its proper divisors (2014942).

4029878 is a wasteful number, since it uses less digits than its factorization.

4029878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014941.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 4029878 is about 2007.4556034941. The cubic root of 4029878 is about 159.1343615927.

The spelling of 4029878 in words is "four million, twenty-nine thousand, eight hundred seventy-eight".