3148705 has 8 divisors (see below), whose sum is σ = 4318272. Its totient is φ = 2159088.

The previous prime is 3148697. The next prime is 3148741. The reversal of 3148705 is 5078413.

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

It is a cyclic number.

It is not a de Polignac number, because 3148705 - 2³ = 3148697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44947 + ... + 45016.

It is an arithmetic number, because the mean of its divisors is an integer number (539784).

Almost surely, 2^3148705 is an apocalyptic number.

3148705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3148705 is a deficient number, since it is larger than the sum of its proper divisors (1169567).

3148705 is an equidigital number, since it uses as much as digits as its factorization.

3148705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89975.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 3148705 is about 1774.4590725063. The cubic root of 3148705 is about 146.5696299134.

The spelling of 3148705 in words is "three million, one hundred forty-eight thousand, seven hundred five".