4642387 has 2 divisors, whose sum is σ = 4642388. Its totient is φ = 4642386.

The previous prime is 4642381. The next prime is 4642397. The reversal of 4642387 is 7832464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4642387 - 2⁷ = 4642259 is a prime.

It is not a weakly prime, because it can be changed into another prime (4642381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321193 + 2321194.

It is an arithmetic number, because the mean of its divisors is an integer number (2321194).

Almost surely, 2^4642387 is an apocalyptic number.

4642387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4642387 is an equidigital number, since it uses as much as digits as its factorization.

4642387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The square root of 4642387 is about 2154.6199200787. The cubic root of 4642387 is about 166.8196147096.

The spelling of 4642387 in words is "four million, six hundred forty-two thousand, three hundred eighty-seven".