4645898 has 4 divisors (see below), whose sum is σ = 6968850. Its totient is φ = 2322948.

The previous prime is 4645891. The next prime is 4645909. The reversal of 4645898 is 8985464.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2948089 + 1697809 = 1717^2 + 1303^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4645891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161473 + ... + 1161476.

Almost surely, 2^4645898 is an apocalyptic number.

4645898 is a deficient number, since it is larger than the sum of its proper divisors (2322952).

4645898 is a wasteful number, since it uses less digits than its factorization.

4645898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322951.

The product of its digits is 276480, while the sum is 44.

The square root of 4645898 is about 2155.4345269574. The cubic root of 4645898 is about 166.8616588903.

The spelling of 4645898 in words is "four million, six hundred forty-five thousand, eight hundred ninety-eight".