3128854 has 4 divisors (see below), whose sum is σ = 4693284. Its totient is φ = 1564426.

The previous prime is 3128849. The next prime is 3128869. The reversal of 3128854 is 4588213.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782212 + ... + 782215.

It is an arithmetic number, because the mean of its divisors is an integer number (1173321).

Almost surely, 2^3128854 is an apocalyptic number.

3128854 is a deficient number, since it is larger than the sum of its proper divisors (1564430).

3128854 is a wasteful number, since it uses less digits than its factorization.

3128854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564429.

The product of its digits is 7680, while the sum is 31.

The square root of 3128854 is about 1768.8566928952. The cubic root of 3128854 is about 146.2609644299.

The spelling of 3128854 in words is "three million, one hundred twenty-eight thousand, eight hundred fifty-four".