1630896 has 40 divisors (see below), whose sum is σ = 4289904. Its totient is φ = 533760.

The previous prime is 1630891. The next prime is 1630897. The reversal of 1630896 is 6980361.

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1630891) 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, 2650 + ... + 3206.

2^1630896 is an apocalyptic number.

1630896 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 1630896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2144952).

1630896 is an abundant number, since it is smaller than the sum of its proper divisors (2659008).

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

1630896 is a wasteful number, since it uses less digits than its factorization.

1630896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1630896 is about 1277.0653859533. The cubic root of 1630896 is about 117.7087521918.

The spelling of 1630896 in words is "one million, six hundred thirty thousand, eight hundred ninety-six".