598426 has 4 divisors (see below), whose sum is σ = 897642. Its totient is φ = 299212.

The previous prime is 598421. The next prime is 598427. The reversal of 598426 is 624895.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624895 = 5 ⋅124979.

It can be written as a sum of positive squares in only one way, i.e., 301401 + 297025 = 549^2 + 545^2 .

It is a super-2 number, since 2×598426² = 716227354952, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5² + 9⁶ + 4³ + 8² + 2¹⁶ + 6⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 598391 and 598400.

It is not an unprimeable number, because it can be changed into a prime (598421) by changing a digit.

598426 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149605 + ... + 149608.

2⁵⁹⁸⁴²⁶ is an apocalyptic number.

598426 is a deficient number, since it is larger than the sum of its proper divisors (299216).

598426 is a wasteful number, since it uses less digits than its factorization.

598426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299215.

The product of its digits is 17280, while the sum is 34.

The square root of 598426 is about 773.5799893999. The cubic root of 598426 is about 84.2694484418.

It can be divided in two parts, 598 and 426, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 598426 in words is "five hundred ninety-eight thousand, four hundred twenty-six".