398120611 has 8 divisors (see below), whose sum is σ = 461228384. Its totient is φ = 336571200.

The previous prime is 398120561. The next prime is 398120621. The reversal of 398120611 is 116021893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 398120611 - 2⁷ = 398120483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398120621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389040 + ... + 390061.

It is an arithmetic number, because the mean of its divisors is an integer number (57653548).

Almost surely, 2^398120611 is an apocalyptic number.

398120611 is a deficient number, since it is larger than the sum of its proper divisors (63107773).

398120611 is an equidigital number, since it uses as much as digits as its factorization.

398120611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779181.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 398120611 is about 19952.9599558562. The cubic root of 398120611 is about 735.6505330086.

The spelling of 398120611 in words is "three hundred ninety-eight million, one hundred twenty thousand, six hundred eleven".