620699034 has 16 divisors (see below), whose sum is σ = 1261749600. Its totient is φ = 203507760.

The previous prime is 620699017. The next prime is 620699099. The reversal of 620699034 is 430996026.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 620698983 and 620699001.

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, 847584 + ... + 848315.

It is an arithmetic number, because the mean of its divisors is an integer number (78859350).

Almost surely, 2^620699034 is an apocalyptic number.

620699034 is an abundant number, since it is smaller than the sum of its proper divisors (641050566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620699034 is a wasteful number, since it uses less digits than its factorization.

620699034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695965.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 620699034 is about 24913.8321821433. The cubic root of 620699034 is about 853.0222444260.

The spelling of 620699034 in words is "six hundred twenty million, six hundred ninety-nine thousand, thirty-four".