398094764 has 24 divisors (see below), whose sum is σ = 765219840. Its totient is φ = 180371664.

The previous prime is 398094761. The next prime is 398094779. The reversal of 398094764 is 467490893.

It is a super-2 number, since 2×398094764² = 316958882248431392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (398094761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112124 + ... + 115619.

It is an arithmetic number, because the mean of its divisors is an integer number (31884160).

Almost surely, 2^398094764 is an apocalyptic number.

It is an amenable number.

398094764 is a deficient number, since it is larger than the sum of its proper divisors (367125076).

398094764 is a wasteful number, since it uses less digits than its factorization.

398094764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227789 (or 227787 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 398094764 is about 19952.3122469552. The cubic root of 398094764 is about 735.6346125645.

The spelling of 398094764 in words is "three hundred ninety-eight million, ninety-four thousand, seven hundred sixty-four".