1928494532 has 48 divisors (see below), whose sum is σ = 3534632640. Its totient is φ = 919833600.

The previous prime is 1928494493. The next prime is 1928494597. The reversal of 1928494532 is 2354948291.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 2331503 + ... + 2332329.

It is an arithmetic number, because the mean of its divisors is an integer number (73638180).

Almost surely, 2^1928494532 is an apocalyptic number.

It is an amenable number.

1928494532 is a deficient number, since it is larger than the sum of its proper divisors (1606138108).

1928494532 is a wasteful number, since it uses less digits than its factorization.

1928494532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1170 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 1928494532 is about 43914.6277679773. The cubic root of 1928494532 is about 1244.7232562848.

The spelling of 1928494532 in words is "one billion, nine hundred twenty-eight million, four hundred ninety-four thousand, five hundred thirty-two".