620214187 has 8 divisors (see below), whose sum is σ = 622702080. Its totient is φ = 617732160.

The previous prime is 620214163. The next prime is 620214197. The reversal of 620214187 is 781412026.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620214187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620214157) 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, 372118 + ... + 373780.

It is an arithmetic number, because the mean of its divisors is an integer number (77837760).

Almost surely, 2^620214187 is an apocalyptic number.

620214187 is a deficient number, since it is larger than the sum of its proper divisors (2487893).

620214187 is a wasteful number, since it uses less digits than its factorization.

620214187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 620214187 is about 24904.0998030445. The cubic root of 620214187 is about 852.8000793142.

The spelling of 620214187 in words is "six hundred twenty million, two hundred fourteen thousand, one hundred eighty-seven".