1630716 has 12 divisors (see below), whose sum is σ = 3805032. Its totient is φ = 543568.

The previous prime is 1630669. The next prime is 1630721. The reversal of 1630716 is 6170361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67935 + ... + 67958.

It is an arithmetic number, because the mean of its divisors is an integer number (317086).

2^1630716 is an apocalyptic number.

It is an amenable number.

1630716 is an abundant number, since it is smaller than the sum of its proper divisors (2174316).

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

1630716 is a wasteful number, since it uses less digits than its factorization.

1630716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135900 (or 135898 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1630716 is about 1276.9949099350. The cubic root of 1630716 is about 117.7044215753.

It can be divided in two parts, 1630 and 716, that added together give a triangular number (2346 = T₆₈).

The spelling of 1630716 in words is "one million, six hundred thirty thousand, seven hundred sixteen".