10306506 has 32 divisors (see below), whose sum is σ = 23689728. Its totient is φ = 2928240.

The previous prime is 10306487. The next prime is 10306511. The reversal of 10306506 is 60560301.

10306506 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8281 + ... + 9443.

It is an arithmetic number, because the mean of its divisors is an integer number (740304).

Almost surely, 2^10306506 is an apocalyptic number.

10306506 is an abundant number, since it is smaller than the sum of its proper divisors (13383222).

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

10306506 is a wasteful number, since it uses less digits than its factorization.

10306506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 10306506 is about 3210.3747444808. The cubic root of 10306506 is about 217.6225125614.

Adding to 10306506 its reverse (60560301), we get a palindrome (70866807).

The spelling of 10306506 in words is "ten million, three hundred six thousand, five hundred six".