4187481 has 8 divisors (see below), whose sum is σ = 5601504. Its totient is φ = 2782560.

The previous prime is 4187479. The next prime is 4187483. The reversal of 4187481 is 1847814.

It is an interprime number because it is at equal distance from previous prime (4187479) and next prime (4187483).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4187481 - 2¹ = 4187479 is a prime.

It is a super-2 number, since 2×4187481² = 35069994250722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4187483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (700188).

Almost surely, 2^4187481 is an apocalyptic number.

It is an amenable number.

4187481 is a deficient number, since it is larger than the sum of its proper divisors (1414023).

4187481 is a wasteful number, since it uses less digits than its factorization.

4187481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551.

The product of its digits is 7168, while the sum is 33.

The square root of 4187481 is about 2046.3335505240. Note that the first 3 decimals coincide. The cubic root of 4187481 is about 161.1823994026.

The spelling of 4187481 in words is "four million, one hundred eighty-seven thousand, four hundred eighty-one".