620338047 has 8 divisors (see below), whose sum is σ = 945277056. Its totient is φ = 354478872.

The previous prime is 620338001. The next prime is 620338063. The reversal of 620338047 is 740833026.

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

It is not a de Polignac number, because 620338047 - 2⁶ = 620337983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620337999 and 620338017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620330047) 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, 14769933 + ... + 14769974.

It is an arithmetic number, because the mean of its divisors is an integer number (118159632).

Almost surely, 2^620338047 is an apocalyptic number.

620338047 is a deficient number, since it is larger than the sum of its proper divisors (324939009).

620338047 is a wasteful number, since it uses less digits than its factorization.

620338047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29539917.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 620338047 is about 24906.5864180542. The cubic root of 620338047 is about 852.8568450732.

The spelling of 620338047 in words is "six hundred twenty million, three hundred thirty-eight thousand, forty-seven".