4198645 has 16 divisors (see below), whose sum is σ = 5560128. Its totient is φ = 3018240.

The previous prime is 4198637. The next prime is 4198669. The reversal of 4198645 is 5468914.

It is a happy number.

It is not a de Polignac number, because 4198645 - 2³ = 4198637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4942 + ... + 5728.

It is an arithmetic number, because the mean of its divisors is an integer number (347508).

Almost surely, 2^4198645 is an apocalyptic number.

It is an amenable number.

4198645 is a deficient number, since it is larger than the sum of its proper divisors (1361483).

4198645 is a wasteful number, since it uses less digits than its factorization.

4198645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900.

The product of its digits is 34560, while the sum is 37.

The square root of 4198645 is about 2049.0595403746. The cubic root of 4198645 is about 161.3255119758.

The spelling of 4198645 in words is "four million, one hundred ninety-eight thousand, six hundred forty-five".