3893408 has 36 divisors (see below), whose sum is σ = 8161902. Its totient is φ = 1827840.

The previous prime is 3893387. The next prime is 3893419. The reversal of 3893408 is 8043983.

It can be written as a sum of positive squares in 3 ways, for example, as 3139984 + 753424 = 1772^2 + 868^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9038 + ... + 9458.

Almost surely, 2^3893408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3893408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4080951).

3893408 is an abundant number, since it is smaller than the sum of its proper divisors (4268494).

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

3893408 is a wasteful number, since it uses less digits than its factorization.

3893408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 3893408 is about 1973.1720654824. The cubic root of 3893408 is about 157.3173560972.

The spelling of 3893408 in words is "three million, eight hundred ninety-three thousand, four hundred eight".