1629696 has 40 divisors (see below), whose sum is σ = 4345704. Its totient is φ = 542720.

The previous prime is 1629689. The next prime is 1629721. The reversal of 1629696 is 6969261.

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, 1006 + ... + 2066.

2^1629696 is an apocalyptic number.

1629696 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 1629696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2172852).

1629696 is an abundant number, since it is smaller than the sum of its proper divisors (2716008).

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

1629696 is an equidigital number, since it uses as much as digits as its factorization.

1629696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1066 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 1629696 is about 1276.5954723404. The cubic root of 1629696 is about 117.6798753943.

The spelling of 1629696 in words is "one million, six hundred twenty-nine thousand, six hundred ninety-six".