4219957 has 8 divisors (see below), whose sum is σ = 5076800. Its totient is φ = 3426624.

The previous prime is 4219951. The next prime is 4219967. The reversal of 4219957 is 7599124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4219957 - 2³ = 4219949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4219951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15732 + ... + 15997.

It is an arithmetic number, because the mean of its divisors is an integer number (634600).

Almost surely, 2^4219957 is an apocalyptic number.

It is an amenable number.

4219957 is a deficient number, since it is larger than the sum of its proper divisors (856843).

4219957 is a wasteful number, since it uses less digits than its factorization.

4219957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31755.

The product of its digits is 22680, while the sum is 37.

The square root of 4219957 is about 2054.2533923545. The cubic root of 4219957 is about 161.5980100766.

It can be divided in two parts, 4 and 219957, that added together give a square (219961 = 469²).

The spelling of 4219957 in words is "four million, two hundred nineteen thousand, nine hundred fifty-seven".