620140197 has 8 divisors (see below), whose sum is σ = 827204544. Its totient is φ = 413251328.

The previous prime is 620140193. The next prime is 620140207. The reversal of 620140197 is 791041026.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620140197 - 2² = 620140193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620140193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35388 + ... + 49925.

It is an arithmetic number, because the mean of its divisors is an integer number (103400568).

Almost surely, 2^620140197 is an apocalyptic number.

It is an amenable number.

620140197 is a deficient number, since it is larger than the sum of its proper divisors (207064347).

620140197 is a wasteful number, since it uses less digits than its factorization.

620140197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87739.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 620140197 is about 24902.6142603543. The cubic root of 620140197 is about 852.7661656606.

The spelling of 620140197 in words is "six hundred twenty million, one hundred forty thousand, one hundred ninety-seven".