4172487 has 16 divisors (see below), whose sum is σ = 6106752. Its totient is φ = 2513120.

The previous prime is 4172479. The next prime is 4172489. The reversal of 4172487 is 7842714.

It is a cyclic number.

It is not a de Polignac number, because 4172487 - 2³ = 4172479 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7213 + ... + 7769.

It is an arithmetic number, because the mean of its divisors is an integer number (381672).

Almost surely, 2^4172487 is an apocalyptic number.

4172487 is a deficient number, since it is larger than the sum of its proper divisors (1934265).

4172487 is a wasteful number, since it uses less digits than its factorization.

4172487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798.

The product of its digits is 12544, while the sum is 33.

The square root of 4172487 is about 2042.6666394691. Note that the first 4 decimals coincide. The cubic root of 4172487 is about 160.9897888410.

The spelling of 4172487 in words is "four million, one hundred seventy-two thousand, four hundred eighty-seven".