4148387 has 4 divisors (see below), whose sum is σ = 4152720. Its totient is φ = 4144056.

The previous prime is 4148381. The next prime is 4148393. The reversal of 4148387 is 7838414.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (4148381) and next prime (4148393).

It is a cyclic number.

It is not a de Polignac number, because 4148387 - 2¹² = 4144291 is a prime.

It is a super-2 number, since 2×4148387² = 34418229403538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4148381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 2880.

It is an arithmetic number, because the mean of its divisors is an integer number (1038180).

Almost surely, 2^4148387 is an apocalyptic number.

4148387 is a deficient number, since it is larger than the sum of its proper divisors (4333).

4148387 is a wasteful number, since it uses less digits than its factorization.

4148387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332.

The product of its digits is 21504, while the sum is 35.

The square root of 4148387 is about 2036.7589449908. The cubic root of 4148387 is about 160.6792348159.

The spelling of 4148387 in words is "four million, one hundred forty-eight thousand, three hundred eighty-seven".