620478350 has 24 divisors (see below), whose sum is σ = 1165525848. Its totient is φ = 245732000.

The previous prime is 620478323. The next prime is 620478389. The reversal of 620478350 is 53874026.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 620478350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56384 + ... + 66483.

It is an arithmetic number, because the mean of its divisors is an integer number (48563577).

Almost surely, 2^620478350 is an apocalyptic number.

620478350 is a deficient number, since it is larger than the sum of its proper divisors (545047498).

620478350 is a wasteful number, since it uses less digits than its factorization.

620478350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122980 (or 122975 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 620478350 is about 24909.4028431032. The cubic root of 620478350 is about 852.9211376281.

The spelling of 620478350 in words is "six hundred twenty million, four hundred seventy-eight thousand, three hundred fifty".