4029320 has 16 divisors (see below), whose sum is σ = 9066060. Its totient is φ = 1611712.

The previous prime is 4029271. The next prime is 4029331. The reversal of 4029320 is 239204.

It can be written as a sum of positive squares in 2 ways, for example, as 4008004 + 21316 = 2002^2 + 146^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4029292 and 4029301.

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 3 ways as a sum of consecutive naturals, for example, 50327 + ... + 50406.

Almost surely, 2^4029320 is an apocalyptic number.

4029320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4029320 is an abundant number, since it is smaller than the sum of its proper divisors (5036740).

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

4029320 is a wasteful number, since it uses less digits than its factorization.

4029320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100744 (or 100740 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4029320 is about 2007.3166167797. The cubic root of 4029320 is about 159.1270163685.

The spelling of 4029320 in words is "four million, twenty-nine thousand, three hundred twenty".