3658752 has 66 divisors (see below), whose sum is σ = 10591178. Its totient is φ = 1216512.

The previous prime is 3658751. The next prime is 3658769. The reversal of 3658752 is 2578563.

It can be written as a sum of positive squares in only one way, i.e., 3326976 + 331776 = 1824^2 + 576^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 3⁷ + 6⁸ + 5⁶ + 8⁴ + 7 + 5⁹ + 2¹² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3658751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9018 + ... + 9414.

Almost surely, 2^3658752 is an apocalyptic number.

3658752 is a gapful number since it is divisible by the number (32) 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 3658752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5295589).

3658752 is an abundant number, since it is smaller than the sum of its proper divisors (6932426).

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

3658752 is a wasteful number, since it uses less digits than its factorization.

3658752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 402 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 3658752 is about 1912.7864491364. The cubic root of 3658752 is about 154.0911362506.

The spelling of 3658752 in words is "three million, six hundred fifty-eight thousand, seven hundred fifty-two".