3938208 has 24 divisors (see below), whose sum is σ = 10338048. Its totient is φ = 1312704.

The previous prime is 3938197. The next prime is 3938251. The reversal of 3938208 is 8028393.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×3938208³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20416 + ... + 20607.

It is an arithmetic number, because the mean of its divisors is an integer number (430752).

Almost surely, 2^3938208 is an apocalyptic number.

It is an amenable number.

3938208 is an abundant number, since it is smaller than the sum of its proper divisors (6399840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3938208 is a wasteful number, since it uses less digits than its factorization.

3938208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41036 (or 41028 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 3938208 is about 1984.4918745110. The cubic root of 3938208 is about 157.9184538876.

It can be divided in two parts, 393820 and 8, that added together give a triangular number (393828 = T₈₈₇).

The spelling of 3938208 in words is "three million, nine hundred thirty-eight thousand, two hundred eight".