1630948 has 24 divisors (see below), whose sum is σ = 3153024. Its totient is φ = 732000.

The previous prime is 1630943. The next prime is 1630987. The reversal of 1630948 is 8490361.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1630943) 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, 4261 + ... + 4627.

It is an arithmetic number, because the mean of its divisors is an integer number (131376).

2^1630948 is an apocalyptic number.

1630948 is the 808-th heptagonal number.

It is an amenable number.

1630948 is a deficient number, since it is larger than the sum of its proper divisors (1522076).

1630948 is a wasteful number, since it uses less digits than its factorization.

1630948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1630948 is about 1277.0857449678. The cubic root of 1630948 is about 117.7100031994.

The spelling of 1630948 in words is "one million, six hundred thirty thousand, nine hundred forty-eight".