1630036 has 6 divisors (see below), whose sum is σ = 2852570. Its totient is φ = 815016.

The previous prime is 1630021. The next prime is 1630049. The reversal of 1630036 is 6300361.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1587600 + 42436 = 1260^2 + 206^2 .

It is a super-2 number, since 2×1630036² = 5314034722592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1629995 and 1630022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203751 + ... + 203758.

2^1630036 is an apocalyptic number.

It is an amenable number.

1630036 is a deficient number, since it is larger than the sum of its proper divisors (1222534).

1630036 is a wasteful number, since it uses less digits than its factorization.

1630036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407513 (or 407511 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1630036 is about 1276.7286320906. The cubic root of 1630036 is about 117.6880585924.

Adding to 1630036 its reverse (6300361), we get a palindrome (7930397).

The spelling of 1630036 in words is "one million, six hundred thirty thousand, thirty-six".