1671696 has 120 divisors (see below), whose sum is σ = 5416320. Its totient is φ = 476928.

The previous prime is 1671689. The next prime is 1671707. The reversal of 1671696 is 6961761.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (13608) is a multiple of the sum of its prime divisors (84).

It is a self number, because there is not a number n which added to its sum of digits gives 1671696.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35545 + ... + 35591.

It is an arithmetic number, because the mean of its divisors is an integer number (45136).

2^1671696 is an apocalyptic number.

1671696 is a gapful number since it is divisible by the number (16) 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 1671696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2708160).

1671696 is an abundant number, since it is smaller than the sum of its proper divisors (3744624).

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

1671696 is a wasteful number, since it uses less digits than its factorization.

1671696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 84 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 1671696 is about 1292.9408339131. The cubic root of 1671696 is about 118.6822490724.

It can be divided in two parts, 16716 and 96, that multiplied together give a triangular number (1604736 = T₁₇₉₁).

The spelling of 1671696 in words is "one million, six hundred seventy-one thousand, six hundred ninety-six".