4274388 has 36 divisors (see below), whose sum is σ = 11100180. Its totient is φ = 1385856.

The previous prime is 4274381. The next prime is 4274393. The reversal of 4274388 is 8834724.

4274388 is a `hidden beast` number, since 4 + 274 + 388 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3196944 + 1077444 = 1788^2 + 1038^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 4 + 2²² + 7⁵ + 4⁶ + 3¹⁰ + 8² + 8² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4274381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273 + ... + 2936.

Almost surely, 2^4274388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4274388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5550090).

4274388 is an abundant number, since it is smaller than the sum of its proper divisors (6825792).

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

4274388 is a wasteful number, since it uses less digits than its factorization.

4274388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256 (or 3251 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 4274388 is about 2067.4593103614. The cubic root of 4274388 is about 162.2898332323.

The spelling of 4274388 in words is "four million, two hundred seventy-four thousand, three hundred eighty-eight".