620049324 has 12 divisors (see below), whose sum is σ = 1446781784. Its totient is φ = 206683104.

The previous prime is 620049301. The next prime is 620049329. The reversal of 620049324 is 423940026.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×620049324² = 768922328385713952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 620049291 and 620049300.

It is not an unprimeable number, because it can be changed into a prime (620049329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25835377 + ... + 25835400.

Almost surely, 2^620049324 is an apocalyptic number.

It is an amenable number.

620049324 is an abundant number, since it is smaller than the sum of its proper divisors (826732460).

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

620049324 is a wasteful number, since it uses less digits than its factorization.

620049324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51670784 (or 51670782 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 620049324 is about 24900.7896260340. The cubic root of 620049324 is about 852.7245099159.

The spelling of 620049324 in words is "six hundred twenty million, forty-nine thousand, three hundred twenty-four".