4257492 has 12 divisors (see below), whose sum is σ = 9934176. Its totient is φ = 1419160.

The previous prime is 4257469. The next prime is 4257503. The reversal of 4257492 is 2947524.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 177384 + ... + 177407.

It is an arithmetic number, because the mean of its divisors is an integer number (827848).

Almost surely, 2^4257492 is an apocalyptic number.

It is an amenable number.

4257492 is an abundant number, since it is smaller than the sum of its proper divisors (5676684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4257492 is a wasteful number, since it uses less digits than its factorization.

4257492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354798 (or 354796 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 4257492 is about 2063.3690896202. The cubic root of 4257492 is about 162.0757152546.

The spelling of 4257492 in words is "four million, two hundred fifty-seven thousand, four hundred ninety-two".