507298428 has 144 divisors (see below), whose sum is σ = 1671284160. Its totient is φ = 125908992.

The previous prime is 507298427. The next prime is 507298439. The reversal of 507298428 is 824892705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507298427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51138 + ... + 60246.

It is an arithmetic number, because the mean of its divisors is an integer number (11606140).

Almost surely, 2^507298428 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 507298428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (835642080).

507298428 is an abundant number, since it is smaller than the sum of its proper divisors (1163985732).

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

507298428 is a wasteful number, since it uses less digits than its factorization.

507298428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9156 (or 9151 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 507298428 is about 22523.2863499091. The cubic root of 507298428 is about 797.5437307283.

The spelling of 507298428 in words is "five hundred seven million, two hundred ninety-eight thousand, four hundred twenty-eight".