1612980 has 96 divisors (see below), whose sum is σ = 5241600. Its totient is φ = 411264.

The previous prime is 1612957. The next prime is 1612991. The reversal of 1612980 is 892161.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 15609 + ... + 15711.

It is an arithmetic number, because the mean of its divisors is an integer number (54600).

2^1612980 is an apocalyptic number.

1612980 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 1612980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2620800).

1612980 is an abundant number, since it is smaller than the sum of its proper divisors (3628620).

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

1612980 is a wasteful number, since it uses less digits than its factorization.

1612980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1612980 is about 1270.0314956724. The cubic root of 1612980 is about 117.2761393373.

It can be divided in two parts, 16 and 12980, that added together give a square (12996 = 114²).

The spelling of 1612980 in words is "one million, six hundred twelve thousand, nine hundred eighty".