4519898 has 4 divisors (see below), whose sum is σ = 6779850. Its totient is φ = 2259948.

The previous prime is 4519877. The next prime is 4519901. The reversal of 4519898 is 8989154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8989154 = 2 ⋅4494577.

It can be written as a sum of positive squares in only one way, i.e., 4507129 + 12769 = 2123^2 + 113^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129973 + ... + 1129976.

Almost surely, 2^4519898 is an apocalyptic number.

4519898 is a deficient number, since it is larger than the sum of its proper divisors (2259952).

4519898 is a wasteful number, since it uses less digits than its factorization.

4519898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259951.

The product of its digits is 103680, while the sum is 44.

The square root of 4519898 is about 2126.0051740295. The cubic root of 4519898 is about 165.3393444672.

The spelling of 4519898 in words is "four million, five hundred nineteen thousand, eight hundred ninety-eight".