620257350 has 24 divisors (see below), whose sum is σ = 1538238600. Its totient is φ = 165401920.

The previous prime is 620257321. The next prime is 620257367. The reversal of 620257350 is 53752026.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2067375 + ... + 2067674.

It is an arithmetic number, because the mean of its divisors is an integer number (64093275).

Almost surely, 2^620257350 is an apocalyptic number.

620257350 is an abundant number, since it is smaller than the sum of its proper divisors (917981250).

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

620257350 is a wasteful number, since it uses less digits than its factorization.

620257350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135064 (or 4135059 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 620257350 is about 24904.9663721917. The cubic root of 620257350 is about 852.8198620262.

The spelling of 620257350 in words is "six hundred twenty million, two hundred fifty-seven thousand, three hundred fifty".