4287426 has 64 divisors (see below), whose sum is σ = 10644480. Its totient is φ = 1131840.

The previous prime is 4287419. The next prime is 4287427. The reversal of 4287426 is 6247824.

4287426 = 199² + 200² + ... + 274².

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16171 + ... + 16433.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

Almost surely, 2^4287426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4287426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5322240).

4287426 is an abundant number, since it is smaller than the sum of its proper divisors (6357054).

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

4287426 is a wasteful number, since it uses less digits than its factorization.

4287426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311.

The product of its digits is 21504, while the sum is 33.

The square root of 4287426 is about 2070.6100550321. The cubic root of 4287426 is about 162.4546745382.

The spelling of 4287426 in words is "four million, two hundred eighty-seven thousand, four hundred twenty-six".