4257988 has 24 divisors (see below), whose sum is σ = 8564864. Its totient is φ = 1814400.

The previous prime is 4257977. The next prime is 4257991. The reversal of 4257988 is 8897524.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6433 + ... + 7063.

Almost surely, 2^4257988 is an apocalyptic number.

It is an amenable number.

4257988 is an abundant number, since it is smaller than the sum of its proper divisors (4306876).

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

4257988 is a wasteful number, since it uses less digits than its factorization.

4257988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 881 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 4257988 is about 2063.4892778980. The cubic root of 4257988 is about 162.0820089782.

The spelling of 4257988 in words is "four million, two hundred fifty-seven thousand, nine hundred eighty-eight".