4262391 has 24 divisors (see below), whose sum is σ = 7282080. Its totient is φ = 2350656.

The previous prime is 4262389. The next prime is 4262399. The reversal of 4262391 is 1932624.

4262391 = 23³ + 24³ + ... + 64³.

4262391 is a `hidden beast` number, since 426 + 239 + 1 = 666.

It is not a de Polignac number, because 4262391 - 2¹ = 4262389 is a prime.

4262391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4262399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 661 + ... + 2993.

It is an arithmetic number, because the mean of its divisors is an integer number (303420).

Almost surely, 2^4262391 is an apocalyptic number.

4262391 is a deficient number, since it is larger than the sum of its proper divisors (3019689).

4262391 is a wasteful number, since it uses less digits than its factorization.

4262391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375 (or 2372 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 4262391 is about 2064.5558844459. Note that the first 3 decimals coincide. The cubic root of 4262391 is about 162.1378570487.

The spelling of 4262391 in words is "four million, two hundred sixty-two thousand, three hundred ninety-one".