3147480 has 96 divisors (see below), whose sum is σ = 11700000. Its totient is φ = 718848.

The previous prime is 3147467. The next prime is 3147497. The reversal of 3147480 is 847413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1896 + ... + 3144.

It is an arithmetic number, because the mean of its divisors is an integer number (121875).

Almost surely, 2^3147480 is an apocalyptic number.

3147480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3147480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5850000).

3147480 is an abundant number, since it is smaller than the sum of its proper divisors (8552520).

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

3147480 is a wasteful number, since it uses less digits than its factorization.

3147480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 3147480 is about 1774.1138633132. The cubic root of 3147480 is about 146.5506198668.

The spelling of 3147480 in words is "three million, one hundred forty-seven thousand, four hundred eighty".