3557238 has 8 divisors (see below), whose sum is σ = 7114488. Its totient is φ = 1185744.

The previous prime is 3557207. The next prime is 3557243. The reversal of 3557238 is 8327553.

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

3557238 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3557199 and 3557208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296431 + ... + 296442.

It is an arithmetic number, because the mean of its divisors is an integer number (889311).

Almost surely, 2^3557238 is an apocalyptic number.

3557238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3557238 is a wasteful number, since it uses less digits than its factorization.

3557238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592878.

The product of its digits is 25200, while the sum is 33.

The square root of 3557238 is about 1886.0641558547. The cubic root of 3557238 is about 152.6526358541.

The spelling of 3557238 in words is "three million, five hundred fifty-seven thousand, two hundred thirty-eight".