620504324 has 12 divisors (see below), whose sum is σ = 1184599248. Its totient is φ = 282047400.

The previous prime is 620504309. The next prime is 620504333. The reversal of 620504324 is 423405026.

It is a super-2 number, since 2×620504324² = 770051232205393952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 620504293 and 620504302.

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, 7051142 + ... + 7051229.

It is an arithmetic number, because the mean of its divisors is an integer number (98716604).

Almost surely, 2^620504324 is an apocalyptic number.

It is an amenable number.

620504324 is a deficient number, since it is larger than the sum of its proper divisors (564094924).

620504324 is a wasteful number, since it uses less digits than its factorization.

620504324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14102386 (or 14102384 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 620504324 is about 24909.9242070304. The cubic root of 620504324 is about 852.9330389107.

The spelling of 620504324 in words is "six hundred twenty million, five hundred four thousand, three hundred twenty-four".