3929380 has 96 divisors (see below), whose sum is σ = 10838016. Its totient is φ = 1161216.

The previous prime is 3929369. The next prime is 3929407. The reversal of 3929380 is 839293.

3929380 = T₇₇₁ + T₇₇₂ + ... + T₇₈₃.

It is a Harshad number since it is a multiple of its sum of digits (34).

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 31 ways as a sum of consecutive naturals, for example, 30877 + ... + 31003.

It is an arithmetic number, because the mean of its divisors is an integer number (112896).

Almost surely, 2^3929380 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 3929380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5419008).

3929380 is an abundant number, since it is smaller than the sum of its proper divisors (6908636).

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

3929380 is a wasteful number, since it uses less digits than its factorization.

3929380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 3929380 is about 1982.2663796776. The cubic root of 3929380 is about 157.8003674299.

The spelling of 3929380 in words is "three million, nine hundred twenty-nine thousand, three hundred eighty".