620466 has 64 divisors (see below), whose sum is σ = 1658880. Its totient is φ = 149760.
The previous prime is 620461. The next prime is 620467. The reversal of 620466 is 664026.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (620461) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7815 + ... + 7893.
It is an arithmetic number, because the mean of its divisors is an integer number (25920).
2620466 is an apocalyptic number.
620466 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 620466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829440).
620466 is an abundant number, since it is smaller than the sum of its proper divisors (1038414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
620466 is a wasteful number, since it uses less digits than its factorization.
620466 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 620466 is about 787.6966421155. The cubic root of 620466 is about 85.2915478744.
The spelling of 620466 in words is "six hundred twenty thousand, four hundred sixty-six".
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