620136 has 96 divisors (see below), whose sum is σ = 1965600. Its totient is φ = 181440.

The previous prime is 620117. The next prime is 620159. The reversal of 620136 is 631026.

It is a happy number.

620136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

620136 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 23 ways as a sum of consecutive naturals, for example, 21370 + ... + 21398.

It is an arithmetic number, because the mean of its divisors is an integer number (20475).

2⁶²⁰¹³⁶ is an apocalyptic number.

620136 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982800).

620136 is an abundant number, since it is smaller than the sum of its proper divisors (1345464).

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

620136 is a wasteful number, since it uses less digits than its factorization.

620136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 620136 is about 787.4871427522. The cubic root of 620136 is about 85.2764241866.

The spelling of 620136 in words is "six hundred twenty thousand, one hundred thirty-six".