4250428 has 24 divisors (see below), whose sum is σ = 9155552. Its totient is φ = 1681344.

The previous prime is 4250387. The next prime is 4250431. The reversal of 4250428 is 8240524.

It is a happy number.

It is a super-2 number, since 2×4250428² = 36132276366368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5475 + ... + 6202.

Almost surely, 2^4250428 is an apocalyptic number.

It is an amenable number.

4250428 is an abundant number, since it is smaller than the sum of its proper divisors (4905124).

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

4250428 is a wasteful number, since it uses less digits than its factorization.

4250428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11701 (or 11699 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4250428 is about 2061.6566154430. The cubic root of 4250428 is about 161.9860273474.

It can be divided in two parts, 425042 and 8, that multiplied together give a square (3400336 = 1844²).

The spelling of 4250428 in words is "four million, two hundred fifty thousand, four hundred twenty-eight".