398127650 has 24 divisors (see below), whose sum is σ = 741418320. Its totient is φ = 159057360.

The previous prime is 398127643. The next prime is 398127701. The reversal of 398127650 is 56721893.

It is a junction number, because it is equal to n+sod(n) for n = 398127598 and 398127607.

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, 40961 + ... + 49739.

It is an arithmetic number, because the mean of its divisors is an integer number (30892430).

Almost surely, 2^398127650 is an apocalyptic number.

398127650 is a deficient number, since it is larger than the sum of its proper divisors (343290670).

398127650 is a wasteful number, since it uses less digits than its factorization.

398127650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9698 (or 9693 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 398127650 is about 19953.1363449459. The cubic root of 398127650 is about 735.6548685570.

The spelling of 398127650 in words is "three hundred ninety-eight million, one hundred twenty-seven thousand, six hundred fifty".