3151428 has 24 divisors (see below), whose sum is σ = 8404032. Its totient is φ = 900384.

The previous prime is 3151417. The next prime is 3151439. The reversal of 3151428 is 8241513.

It is an interprime number because it is at equal distance from previous prime (3151417) and next prime (3151439).

It is a junction number, because it is equal to n+sod(n) for n = 3151398 and 3151407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18675 + ... + 18842.

It is an arithmetic number, because the mean of its divisors is an integer number (350168).

Almost surely, 2^3151428 is an apocalyptic number.

It is an amenable number.

3151428 is an abundant number, since it is smaller than the sum of its proper divisors (5252604).

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

3151428 is a wasteful number, since it uses less digits than its factorization.

3151428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37531 (or 37529 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 3151428 is about 1775.2261827722. The cubic root of 3151428 is about 146.6118688770.

The spelling of 3151428 in words is "three million, one hundred fifty-one thousand, four hundred twenty-eight".