3816920 has 32 divisors (see below), whose sum is σ = 8823600. Its totient is φ = 1484928.

The previous prime is 3816913. The next prime is 3816941. The reversal of 3816920 is 296183.

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 7 ways as a sum of consecutive naturals, for example, 191 + ... + 2769.

Almost surely, 2^3816920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3816920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4411800).

3816920 is an abundant number, since it is smaller than the sum of its proper divisors (5006680).

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

3816920 is a wasteful number, since it uses less digits than its factorization.

3816920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627 (or 2623 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3816920 is about 1953.6939371355. The cubic root of 3816920 is about 156.2803418409.

The spelling of 3816920 in words is "three million, eight hundred sixteen thousand, nine hundred twenty".