3140460 has 72 divisors (see below), whose sum is σ = 9696960. Its totient is φ = 822528.

The previous prime is 3140447. The next prime is 3140507. The reversal of 3140460 is 640413.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 13021 + ... + 13259.

It is an arithmetic number, because the mean of its divisors is an integer number (134680).

Almost surely, 2^3140460 is an apocalyptic number.

3140460 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 3140460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4848480).

3140460 is an abundant number, since it is smaller than the sum of its proper divisors (6556500).

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

3140460 is a wasteful number, since it uses less digits than its factorization.

3140460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3140460 is about 1772.1343064226. The cubic root of 3140460 is about 146.4415854273.

Adding to 3140460 its reverse (640413), we get a palindrome (3780873).

It can be divided in two parts, 3140 and 460, that added together give a square (3600 = 60²).

The spelling of 3140460 in words is "three million, one hundred forty thousand, four hundred sixty".