3929436 has 72 divisors (see below), whose sum is σ = 11741184. Its totient is φ = 1084320.

The previous prime is 3929417. The next prime is 3929449. The reversal of 3929436 is 6349293.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 3¹² + 9³ + 2¹⁷ + 9⁴ + 4¹⁰ + 3¹² + 6⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 3929436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7561 + ... + 8063.

It is an arithmetic number, because the mean of its divisors is an integer number (163072).

Almost surely, 2^3929436 is an apocalyptic number.

3929436 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 3929436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5870592).

3929436 is an abundant number, since it is smaller than the sum of its proper divisors (7811748).

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

3929436 is a wasteful number, since it uses less digits than its factorization.

3929436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 546 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 3929436 is about 1982.2805048731. The cubic root of 3929436 is about 157.8011170628.

The spelling of 3929436 in words is "three million, nine hundred twenty-nine thousand, four hundred thirty-six".