620467898 has 16 divisors (see below), whose sum is σ = 959861760. Its totient is φ = 300627936.

The previous prime is 620467877. The next prime is 620467949. The reversal of 620467898 is 898764026.

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, 17483 + ... + 39326.

It is an arithmetic number, because the mean of its divisors is an integer number (59991360).

Almost surely, 2^620467898 is an apocalyptic number.

620467898 is a deficient number, since it is larger than the sum of its proper divisors (339393862).

620467898 is a wasteful number, since it uses less digits than its factorization.

620467898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56981.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 620467898 is about 24909.1930419273. The cubic root of 620467898 is about 852.9163484297.

The spelling of 620467898 in words is "six hundred twenty million, four hundred sixty-seven thousand, eight hundred ninety-eight".