622896 has 40 divisors (see below), whose sum is σ = 1696320. Its totient is φ = 196416.

The previous prime is 622889. The next prime is 622901. The reversal of 622896 is 698226.

622896 = T₂₇₁ + T₂₇₂ + ... + T₂₈₆.

It is an unprimeable number.

622896 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 in 7 ways as a sum of consecutive naturals, for example, 571 + ... + 1253.

It is an arithmetic number, because the mean of its divisors is an integer number (42408).

2⁶²²⁸⁹⁶ is an apocalyptic number.

622896 is the 456-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848160).

622896 is an abundant number, since it is smaller than the sum of its proper divisors (1073424).

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

622896 is a wasteful number, since it uses less digits than its factorization.

622896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 707 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 622896 is about 789.2376068080. The cubic root of 622896 is about 85.4027484229.

The spelling of 622896 in words is "six hundred twenty-two thousand, eight hundred ninety-six".