3557398 has 16 divisors (see below), whose sum is σ = 5843376. Its totient is φ = 1614240.

The previous prime is 3557381. The next prime is 3557431. The reversal of 3557398 is 8937553.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3557398.

It is a congruent number.

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, 465 + ... + 2707.

It is an arithmetic number, because the mean of its divisors is an integer number (365211).

Almost surely, 2^3557398 is an apocalyptic number.

3557398 is a deficient number, since it is larger than the sum of its proper divisors (2285978).

3557398 is a wasteful number, since it uses less digits than its factorization.

3557398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319.

The product of its digits is 113400, while the sum is 40.

The square root of 3557398 is about 1886.1065717504. The cubic root of 3557398 is about 152.6549245263.

The spelling of 3557398 in words is "three million, five hundred fifty-seven thousand, three hundred ninety-eight".