420893 has 8 divisors (see below), whose sum is σ = 465696. Its totient is φ = 377200.

The previous prime is 420859. The next prime is 420899. The reversal of 420893 is 398024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420893 - 2¹² = 416797 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 420893.

It is not an unprimeable number, because it can be changed into a prime (420899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683 + ... + 1143.

It is an arithmetic number, because the mean of its divisors is an integer number (58212).

2⁴²⁰⁸⁹³ is an apocalyptic number.

It is an amenable number.

420893 is a deficient number, since it is larger than the sum of its proper divisors (44803).

420893 is a wasteful number, since it uses less digits than its factorization.

420893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 420893 is about 648.7626684698. The cubic root of 420893 is about 74.9417621972.

The spelling of 420893 in words is "four hundred twenty thousand, eight hundred ninety-three".