4247156 has 12 divisors (see below), whose sum is σ = 7633668. Its totient is φ = 2066112.

The previous prime is 4247147. The next prime is 4247167. The reversal of 4247156 is 6517424.

It can be written as a sum of positive squares in 2 ways, for example, as 2044900 + 2202256 = 1430^2 + 1484^2 .

It is a pancake number, because a pancake can be divided into 4247156 parts by 2914 straight cuts.

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, 14201 + ... + 14496.

It is an arithmetic number, because the mean of its divisors is an integer number (636139).

Almost surely, 2^4247156 is an apocalyptic number.

It is an amenable number.

4247156 is a deficient number, since it is larger than the sum of its proper divisors (3386512).

4247156 is a wasteful number, since it uses less digits than its factorization.

4247156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28738 (or 28736 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 4247156 is about 2060.8629260579. The cubic root of 4247156 is about 161.9444508016.

The spelling of 4247156 in words is "four million, two hundred forty-seven thousand, one hundred fifty-six".