3728466328 has 8 divisors (see below), whose sum is σ = 6990874380. Its totient is φ = 1864233160.

The previous prime is 3728466289. The next prime is 3728466331. The reversal of 3728466328 is 8236648273.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3728466328² = 27802922318059607168, which contains 22 as substring.

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, 233029138 + ... + 233029153.

Almost surely, 2^3728466328 is an apocalyptic number.

It is an amenable number.

3728466328 is a deficient number, since it is larger than the sum of its proper divisors (3262408052).

3728466328 is a wasteful number, since it uses less digits than its factorization.

3728466328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466058297 (or 466058293 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 49.

The square root of 3728466328 is about 61061.1687408618. The cubic root of 3728466328 is about 1550.6367592566.

The spelling of 3728466328 in words is "three billion, seven hundred twenty-eight million, four hundred sixty-six thousand, three hundred twenty-eight".