426849 has 8 divisors (see below), whose sum is σ = 572352. Its totient is φ = 282960.

The previous prime is 426841. The next prime is 426859. The reversal of 426849 is 948624.

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

It is not a de Polignac number, because 426849 - 2³ = 426841 is a prime.

It is a super-3 number, since 3×426849³ = 233315751502914147, which contains 333 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (426841) 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, 519 + ... + 1059.

It is an arithmetic number, because the mean of its divisors is an integer number (71544).

2⁴²⁶⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

426849 is a deficient number, since it is larger than the sum of its proper divisors (145503).

426849 is a wasteful number, since it uses less digits than its factorization.

426849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its digits is 13824, while the sum is 33.

The square root of 426849 is about 653.3368197186. The cubic root of 426849 is about 75.2936046730.

It can be divided in two parts, 426 and 849, that added together give a triangular number (1275 = T₅₀).

The spelling of 426849 in words is "four hundred twenty-six thousand, eight hundred forty-nine".