4278000 has 160 divisors (see below), whose sum is σ = 14856192. Its totient is φ = 1056000.

The previous prime is 4277989. The next prime is 4278013. The reversal of 4278000 is 8724.

4278000 = T₁₆ + T₁₇ + ... + T₂₉₄.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137985 + ... + 138015.

Almost surely, 2^4278000 is an apocalyptic number.

4278000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4278000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7428096).

4278000 is an abundant number, since it is smaller than the sum of its proper divisors (10578192).

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

4278000 is a wasteful number, since it uses less digits than its factorization.

4278000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 4278000 is about 2068.3326618317. The cubic root of 4278000 is about 162.3355337972.

The spelling of 4278000 in words is "four million, two hundred seventy-eight thousand".