3649710 has 48 divisors (see below), whose sum is σ = 9272016. Its totient is φ = 919296.

The previous prime is 3649699. The next prime is 3649741. The reversal of 3649710 is 179463.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10662 + ... + 10998.

It is an arithmetic number, because the mean of its divisors is an integer number (193167).

Almost surely, 2^3649710 is an apocalyptic number.

3649710 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 3649710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4636008).

3649710 is an abundant number, since it is smaller than the sum of its proper divisors (5622306).

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

3649710 is a wasteful number, since it uses less digits than its factorization.

3649710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 366 counting only the distinct ones).

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

The square root of 3649710 is about 1910.4214194779. The cubic root of 3649710 is about 153.9640946258.

The spelling of 3649710 in words is "three million, six hundred forty-nine thousand, seven hundred ten".