4657491 has 6 divisors (see below), whose sum is σ = 6727500. Its totient is φ = 3104988.

The previous prime is 4657453. The next prime is 4657493. The reversal of 4657491 is 1947564.

It is not a de Polignac number, because 4657491 - 2⁶ = 4657427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4657493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258741 + ... + 258758.

It is an arithmetic number, because the mean of its divisors is an integer number (1121250).

Almost surely, 2^4657491 is an apocalyptic number.

4657491 is a deficient number, since it is larger than the sum of its proper divisors (2070009).

4657491 is a wasteful number, since it uses less digits than its factorization.

4657491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517505 (or 517502 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 4657491 is about 2158.1221003456. The cubic root of 4657491 is about 167.0003346594. Note that the first 3 decimals are identical.

It can be divided in two parts, 46574 and 91, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 4657491 in words is "four million, six hundred fifty-seven thousand, four hundred ninety-one".