620619212 has 24 divisors (see below), whose sum is σ = 1134502656. Its totient is φ = 296504208.

The previous prime is 620619157. The next prime is 620619257. The reversal of 620619212 is 212916026.

It is a happy number.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100313 + ... + 106319.

It is an arithmetic number, because the mean of its divisors is an integer number (47270944).

Almost surely, 2^620619212 is an apocalyptic number.

It is an amenable number.

620619212 is a deficient number, since it is larger than the sum of its proper divisors (513883444).

620619212 is a wasteful number, since it uses less digits than its factorization.

620619212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157 (or 7155 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 620619212 is about 24912.2301691358. The cubic root of 620619212 is about 852.9856765905.

The spelling of 620619212 in words is "six hundred twenty million, six hundred nineteen thousand, two hundred twelve".