1630608 has 80 divisors (see below), whose sum is σ = 5047296. Its totient is φ = 443520.

The previous prime is 1630597. The next prime is 1630619. The reversal of 1630608 is 8060361.

It is an interprime number because it is at equal distance from previous prime (1630597) and next prime (1630619).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7623 + ... + 7833.

2^1630608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1630608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2523648).

1630608 is an abundant number, since it is smaller than the sum of its proper divisors (3416688).

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

1630608 is a wasteful number, since it uses less digits than its factorization.

1630608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1630608 is about 1276.9526224571. The cubic root of 1630608 is about 117.7018230525.

Adding to 1630608 its reverse (8060361), we get a palindrome (9690969).

The spelling of 1630608 in words is "one million, six hundred thirty thousand, six hundred eight".