606426 has 16 divisors (see below), whose sum is σ = 1236384. Its totient is φ = 198224.

The previous prime is 606413. The next prime is 606433. The reversal of 606426 is 624606.

606426 = T₁₂₄ + T₁₂₅ + ... + T₁₇₆.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 606396 and 606405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636 + ... + 1271.

It is an arithmetic number, because the mean of its divisors is an integer number (77274).

2⁶⁰⁶⁴²⁶ is an apocalyptic number.

606426 is the 636-th pentagonal number.

606426 is an abundant number, since it is smaller than the sum of its proper divisors (629958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

606426 is a wasteful number, since it uses less digits than its factorization.

606426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 606426 is about 778.7335873070. The cubic root of 606426 is about 84.6433033958.

The spelling of 606426 in words is "six hundred six thousand, four hundred twenty-six".