4289720 has 16 divisors (see below), whose sum is σ = 9651960. Its totient is φ = 1715872.

The previous prime is 4289717. The next prime is 4289741. The reversal of 4289720 is 279824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53582 + ... + 53661.

Almost surely, 2^4289720 is an apocalyptic number.

4289720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4289720 is an abundant number, since it is smaller than the sum of its proper divisors (5362240).

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

4289720 is a wasteful number, since it uses less digits than its factorization.

4289720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107254 (or 107250 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4289720 is about 2071.1639239809. The cubic root of 4289720 is about 162.4836433241.

The spelling of 4289720 in words is "four million, two hundred eighty-nine thousand, seven hundred twenty".