620460430 has 8 divisors (see below), whose sum is σ = 1116828792. Its totient is φ = 248184168.

The previous prime is 620460427. The next prime is 620460439. The reversal of 620460430 is 34064026.

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

It is a super-2 number, since 2×620460430² = 769942290391569800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 620460395 and 620460404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620460439) 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, 31023012 + ... + 31023031.

It is an arithmetic number, because the mean of its divisors is an integer number (139603599).

Almost surely, 2^620460430 is an apocalyptic number.

620460430 is a deficient number, since it is larger than the sum of its proper divisors (496368362).

620460430 is a wasteful number, since it uses less digits than its factorization.

620460430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62046050.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 620460430 is about 24909.0431369814. The cubic root of 620460430 is about 852.9129264934.

The spelling of 620460430 in words is "six hundred twenty million, four hundred sixty thousand, four hundred thirty".