4493151 has 40 divisors (see below), whose sum is σ = 7683984. Its totient is φ = 2592000.

The previous prime is 4493147. The next prime is 4493179. The reversal of 4493151 is 1513944.

It is not a de Polignac number, because 4493151 - 2² = 4493147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4493051) 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 39 ways as a sum of consecutive naturals, for example, 17776 + ... + 18026.

Almost surely, 2^4493151 is an apocalyptic number.

4493151 is a deficient number, since it is larger than the sum of its proper divisors (3190833).

4493151 is a wasteful number, since it uses less digits than its factorization.

4493151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 284 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 4493151 is about 2119.7054040597. The cubic root of 4493151 is about 165.0125610272.

It can be divided in two parts, 449 and 3151, that added together give a square (3600 = 60²).

The spelling of 4493151 in words is "four million, four hundred ninety-three thousand, one hundred fifty-one".