3894477 has 8 divisors (see below), whose sum is σ = 5264064. Its totient is φ = 2560608.

The previous prime is 3894469. The next prime is 3894481. The reversal of 3894477 is 7744983.

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

It is not a de Polignac number, because 3894477 - 2³ = 3894469 is a prime.

It is a super-2 number, since 2×3894477² = 30333902207058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8673 + ... + 9110.

It is an arithmetic number, because the mean of its divisors is an integer number (658008).

Almost surely, 2^3894477 is an apocalyptic number.

It is an amenable number.

3894477 is a deficient number, since it is larger than the sum of its proper divisors (1369587).

3894477 is a wasteful number, since it uses less digits than its factorization.

3894477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17859.

The product of its digits is 169344, while the sum is 42.

The square root of 3894477 is about 1973.4429305151. The cubic root of 3894477 is about 157.3317528130.

It can be divided in two parts, 3894 and 477, that added together give a triangular number (4371 = T₉₃).

The spelling of 3894477 in words is "three million, eight hundred ninety-four thousand, four hundred seventy-seven".