4247892 has 72 divisors (see below), whose sum is σ = 12422592. Its totient is φ = 1209600.

The previous prime is 4247863. The next prime is 4247917. The reversal of 4247892 is 2987424.

4247892 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6417 + ... + 7047.

It is an arithmetic number, because the mean of its divisors is an integer number (172536).

Almost surely, 2^4247892 is an apocalyptic number.

4247892 is the 1683-rd pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4247892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6211296).

4247892 is an abundant number, since it is smaller than the sum of its proper divisors (8174700).

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

4247892 is a wasteful number, since it uses less digits than its factorization.

4247892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 664 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 4247892 is about 2061.0414842987. The cubic root of 4247892 is about 161.9538048440.

The spelling of 4247892 in words is "four million, two hundred forty-seven thousand, eight hundred ninety-two".