4069278 has 28 divisors (see below), whose sum is σ = 9154968. Its totient is φ = 1355940.

The previous prime is 4069271. The next prime is 4069279. The reversal of 4069278 is 8729604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4069271) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 63 + ... + 2853.

Almost surely, 2^4069278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4069278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4577484).

4069278 is an abundant number, since it is smaller than the sum of its proper divisors (5085690).

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

4069278 is an equidigital number, since it uses as much as digits as its factorization.

4069278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811 (or 2796 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 4069278 is about 2017.2451511901. The cubic root of 4069278 is about 159.6512978865.

The spelling of 4069278 in words is "four million, sixty-nine thousand, two hundred seventy-eight".