3166440 has 32 divisors (see below), whose sum is σ = 9499680. Its totient is φ = 844352.

The previous prime is 3166439. The next prime is 3166441. The reversal of 3166440 is 446613.

It is an interprime number because it is at equal distance from previous prime (3166439) and next prime (3166441).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3166440.

It is not an unprimeable number, because it can be changed into a prime (3166441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13074 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (296865).

Almost surely, 2^3166440 is an apocalyptic number.

3166440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3166440 is an abundant number, since it is smaller than the sum of its proper divisors (6333240).

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

3166440 is a wasteful number, since it uses less digits than its factorization.

3166440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26401 (or 26397 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3166440 is about 1779.4493530303. The cubic root of 3166440 is about 146.8442980945.

The spelling of 3166440 in words is "three million, one hundred sixty-six thousand, four hundred forty".