4380506 has 8 divisors (see below), whose sum is σ = 7076244. Its totient is φ = 2021760.

The previous prime is 4380499. The next prime is 4380547. The reversal of 4380506 is 6050834.

It can be written as a sum of positive squares in 2 ways, for example, as 4264225 + 116281 = 2065^2 + 341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 168481 = 4380506 / (4 + 3 + 8 + 0 + 5 + 0 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84215 + ... + 84266.

Almost surely, 2^4380506 is an apocalyptic number.

4380506 is a deficient number, since it is larger than the sum of its proper divisors (2695738).

4380506 is a wasteful number, since it uses less digits than its factorization.

4380506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168496.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4380506 is about 2092.9658382305. The cubic root of 4380506 is about 163.6218981414.

The spelling of 4380506 in words is "four million, three hundred eighty thousand, five hundred six".