3728408 has 24 divisors (see below), whose sum is σ = 7383780. Its totient is φ = 1764720.

The previous prime is 3728407. The next prime is 3728411. The reversal of 3728408 is 8048273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2243 + ... + 3533.

Almost surely, 2^3728408 is an apocalyptic number.

3728408 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3728408 is a deficient number, since it is larger than the sum of its proper divisors (3655372).

3728408 is a wasteful number, since it uses less digits than its factorization.

3728408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 3728408 is about 1930.9085944187. The cubic root of 3728408 is about 155.0628673178.

The spelling of 3728408 in words is "three million, seven hundred twenty-eight thousand, four hundred eight".