3149670 has 32 divisors (see below), whose sum is σ = 7676928. Its totient is φ = 826848.

The previous prime is 3149659. The next prime is 3149677. The reversal of 3149670 is 769413.

It is a happy number.

It is a super-2 number, since 2×3149670² = 19840842217800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1227 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (239904).

Almost surely, 2^3149670 is an apocalyptic number.

3149670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3149670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3838464).

3149670 is an abundant number, since it is smaller than the sum of its proper divisors (4527258).

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

3149670 is a wasteful number, since it uses less digits than its factorization.

3149670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 3149670 is about 1774.7309655269. The cubic root of 3149670 is about 146.5846017029.

The spelling of 3149670 in words is "three million, one hundred forty-nine thousand, six hundred seventy".