1016620 has 24 divisors (see below), whose sum is σ = 2329488. Its totient is φ = 369600.

The previous prime is 1016611. The next prime is 1016621. The reversal of 1016620 is 266101.

1016620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1016594 and 1016603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016621) 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, 2091 + ... + 2530.

It is an arithmetic number, because the mean of its divisors is an integer number (97062).

2^1016620 is an apocalyptic number.

1016620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1016620 is an abundant number, since it is smaller than the sum of its proper divisors (1312868).

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

1016620 is a wasteful number, since it uses less digits than its factorization.

1016620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4641 (or 4639 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1016620 is about 1008.2757559319. The cubic root of 1016620 is about 100.5509588684.

The spelling of 1016620 in words is "one million, sixteen thousand, six hundred twenty".