620463406 has 8 divisors (see below), whose sum is σ = 931686984. Its totient is φ = 309901080.

The previous prime is 620463377. The next prime is 620463407. The reversal of 620463406 is 604364026.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620463407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162960 + ... + 166723.

It is an arithmetic number, because the mean of its divisors is an integer number (116460873).

Almost surely, 2^620463406 is an apocalyptic number.

620463406 is a deficient number, since it is larger than the sum of its proper divisors (311223578).

620463406 is a wasteful number, since it uses less digits than its factorization.

620463406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330626.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 620463406 is about 24909.1028742506. The cubic root of 620463406 is about 852.9142901392.

The spelling of 620463406 in words is "six hundred twenty million, four hundred sixty-three thousand, four hundred six".