620671293 has 24 divisors (see below), whose sum is σ = 980353920. Its totient is φ = 375269760.

The previous prime is 620671283. The next prime is 620671297. The reversal of 620671293 is 392176026.

620671293 is a `hidden beast` number, since 620 + 6 + 7 + 1 + 29 + 3 = 666.

It is not a de Polignac number, because 620671293 - 2²² = 616476989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620671297) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35628 + ... + 50106.

It is an arithmetic number, because the mean of its divisors is an integer number (40848080).

Almost surely, 2^620671293 is an apocalyptic number.

It is an amenable number.

620671293 is a deficient number, since it is larger than the sum of its proper divisors (359682627).

620671293 is a wasteful number, since it uses less digits than its factorization.

620671293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14929 (or 14926 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 620671293 is about 24913.2754370035. The cubic root of 620671293 is about 853.0095361507.

The spelling of 620671293 in words is "six hundred twenty million, six hundred seventy-one thousand, two hundred ninety-three".