3145716 has 120 divisors (see below), whose sum is σ = 10028480. Its totient is φ = 839808.

The previous prime is 3145711. The next prime is 3145721. The reversal of 3145716 is 6175413.

It is an interprime number because it is at equal distance from previous prime (3145711) and next prime (3145721).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 3145716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145711) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 43056 + ... + 43128.

Almost surely, 2^3145716 is an apocalyptic number.

3145716 is a gapful number since it is divisible by the number (36) 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 3145716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5014240).

3145716 is an abundant number, since it is smaller than the sum of its proper divisors (6882764).

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

3145716 is a wasteful number, since it uses less digits than its factorization.

3145716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 104 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 3145716 is about 1773.6166440356. The cubic root of 3145716 is about 146.5232367324.

The spelling of 3145716 in words is "three million, one hundred forty-five thousand, seven hundred sixteen".