3923480 has 64 divisors (see below), whose sum is σ = 9931680. Its totient is φ = 1382400.

The previous prime is 3923477. The next prime is 3923483. The reversal of 3923480 is 843293.

It is an interprime number because it is at equal distance from previous prime (3923477) and next prime (3923483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3923483) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16160 + ... + 16400.

Almost surely, 2^3923480 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 3923480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4965840).

3923480 is an abundant number, since it is smaller than the sum of its proper divisors (6008200).

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

3923480 is a wasteful number, since it uses less digits than its factorization.

3923480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3923480 is about 1980.7776250756. Note that the first 3 decimals coincide. The cubic root of 3923480 is about 157.7213483025.

The spelling of 3923480 in words is "three million, nine hundred twenty-three thousand, four hundred eighty".