1606020 has 96 divisors (see below), whose sum is σ = 5080320. Its totient is φ = 376320.

The previous prime is 1606009. The next prime is 1606081. The reversal of 1606020 is 206061.

1606020 = T₁₀₅ + T₁₀₆ + ... + T₂₂₀.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22585 + ... + 22655.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2^1606020 is an apocalyptic number.

1606020 is a gapful number since it is divisible by the number (10) 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 1606020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2540160).

1606020 is an abundant number, since it is smaller than the sum of its proper divisors (3474300).

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

1606020 is a wasteful number, since it uses less digits than its factorization.

1606020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1606020 is about 1267.2884438832. The cubic root of 1606020 is about 117.1072141638.

The spelling of 1606020 in words is "one million, six hundred six thousand, twenty".