598778 has 4 divisors (see below), whose sum is σ = 898170. Its totient is φ = 299388.

The previous prime is 598777. The next prime is 598783. The reversal of 598778 is 877895.

598778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 380689 + 218089 = 617^2 + 467^2 .

It is not an unprimeable number, because it can be changed into a prime (598777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149693 + ... + 149696.

2⁵⁹⁸⁷⁷⁸ is an apocalyptic number.

598778 is a deficient number, since it is larger than the sum of its proper divisors (299392).

598778 is a wasteful number, since it uses less digits than its factorization.

598778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299391.

The product of its digits is 141120, while the sum is 44.

The square root of 598778 is about 773.8074695943. The cubic root of 598778 is about 84.2859679067.

The spelling of 598778 in words is "five hundred ninety-eight thousand, seven hundred seventy-eight".