3129248 has 12 divisors (see below), whose sum is σ = 6160770. Its totient is φ = 1564608.

The previous prime is 3129223. The next prime is 3129253. The reversal of 3129248 is 8429213.

It can be written as a sum of positive squares in only one way, i.e., 2650384 + 478864 = 1628^2 + 692^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3129248.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48863 + ... + 48926.

Almost surely, 2^3129248 is an apocalyptic number.

It is an amenable number.

3129248 is a deficient number, since it is larger than the sum of its proper divisors (3031522).

3129248 is an equidigital number, since it uses as much as digits as its factorization.

3129248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97799 (or 97791 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 3129248 is about 1768.9680607631. The cubic root of 3129248 is about 146.2671034615.

The spelling of 3129248 in words is "three million, one hundred twenty-nine thousand, two hundred forty-eight".