3893438 has 8 divisors (see below), whose sum is σ = 5875632. Its totient is φ = 1934896.

The previous prime is 3893431. The next prime is 3893471. The reversal of 3893438 is 8343983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3893431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5495 + ... + 6162.

It is an arithmetic number, because the mean of its divisors is an integer number (734454).

Almost surely, 2^3893438 is an apocalyptic number.

3893438 is a deficient number, since it is larger than the sum of its proper divisors (1982194).

3893438 is a wasteful number, since it uses less digits than its factorization.

3893438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11826.

The product of its digits is 62208, while the sum is 38.

The square root of 3893438 is about 1973.1796674403. The cubic root of 3893438 is about 157.3177601570.

The spelling of 3893438 in words is "three million, eight hundred ninety-three thousand, four hundred thirty-eight".