4253778 has 36 divisors (see below), whose sum is σ = 9579258. Its totient is φ = 1364160.

The previous prime is 4253759. The next prime is 4253803. The reversal of 4253778 is 8773524.

It can be written as a sum of positive squares in 3 ways, for example, as 3932289 + 321489 = 1983^2 + 567^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14998 + ... + 15278.

Almost surely, 2^4253778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4253778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4789629).

4253778 is an abundant number, since it is smaller than the sum of its proper divisors (5325480).

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

4253778 is a wasteful number, since it uses less digits than its factorization.

4253778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 315 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 4253778 is about 2062.4689088566. The cubic root of 4253778 is about 162.0285729208.

The spelling of 4253778 in words is "four million, two hundred fifty-three thousand, seven hundred seventy-eight".