620923034 has 16 divisors (see below), whose sum is σ = 942230016. Its totient is φ = 306867600.

The previous prime is 620923027. The next prime is 620923073. The reversal of 620923034 is 430329026.

It is a junction number, because it is equal to n+sod(n) for n = 620922988 and 620923006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55319 + ... + 65589.

It is an arithmetic number, because the mean of its divisors is an integer number (58889376).

Almost surely, 2^620923034 is an apocalyptic number.

620923034 is a deficient number, since it is larger than the sum of its proper divisors (321306982).

620923034 is a wasteful number, since it uses less digits than its factorization.

620923034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10621.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 620923034 is about 24918.3272713078. The cubic root of 620923034 is about 853.1248459508.

The spelling of 620923034 in words is "six hundred twenty million, nine hundred twenty-three thousand, thirty-four".