4249280 has 84 divisors (see below), whose sum is σ = 11814048. Its totient is φ = 1451520.

The previous prime is 4249277. The next prime is 4249307. The reversal of 4249280 is 829424.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15545 + ... + 15815.

Almost surely, 2^4249280 is an apocalyptic number.

4249280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4249280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5907024).

4249280 is an abundant number, since it is smaller than the sum of its proper divisors (7564768).

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

4249280 is a wasteful number, since it uses less digits than its factorization.

4249280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 4249280 is about 2061.3781797623. The cubic root of 4249280 is about 161.9714424081.

The spelling of 4249280 in words is "four million, two hundred forty-nine thousand, two hundred eighty".