1631948 has 24 divisors (see below), whose sum is σ = 3049200. Its totient is φ = 762048.

The previous prime is 1631939. The next prime is 1631951. The reversal of 1631948 is 8491361.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8186 + ... + 8382.

It is an arithmetic number, because the mean of its divisors is an integer number (127050).

2^1631948 is an apocalyptic number.

It is an amenable number.

1631948 is a deficient number, since it is larger than the sum of its proper divisors (1417252).

1631948 is a wasteful number, since it uses less digits than its factorization.

1631948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 327 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 1631948 is about 1277.4772013621. The cubic root of 1631948 is about 117.7340558677.

The spelling of 1631948 in words is "one million, six hundred thirty-one thousand, nine hundred forty-eight".