3159428 has 6 divisors (see below), whose sum is σ = 5529006. Its totient is φ = 1579712.

The previous prime is 3159421. The next prime is 3159437. The reversal of 3159428 is 8249513.

It can be written as a sum of positive squares in only one way, i.e., 2930944 + 228484 = 1712^2 + 478^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3159394 and 3159403.

It is not an unprimeable number, because it can be changed into a prime (3159421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394925 + ... + 394932.

It is an arithmetic number, because the mean of its divisors is an integer number (921501).

Almost surely, 2^3159428 is an apocalyptic number.

It is an amenable number.

3159428 is a deficient number, since it is larger than the sum of its proper divisors (2369578).

3159428 is a wasteful number, since it uses less digits than its factorization.

3159428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789861 (or 789859 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 3159428 is about 1777.4779886120. The cubic root of 3159428 is about 146.7358236758.

The spelling of 3159428 in words is "three million, one hundred fifty-nine thousand, four hundred twenty-eight".