398627480 has 16 divisors (see below), whose sum is σ = 896911920. Its totient is φ = 159450976.

The previous prime is 398627479. The next prime is 398627491. The reversal of 398627480 is 84726893.

It is a super-2 number, since 2×398627480² = 317807735622300800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4982804 + ... + 4982883.

It is an arithmetic number, because the mean of its divisors is an integer number (56056995).

Almost surely, 2^398627480 is an apocalyptic number.

It is an amenable number.

398627480 is an abundant number, since it is smaller than the sum of its proper divisors (498284440).

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

398627480 is a wasteful number, since it uses less digits than its factorization.

398627480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9965698 (or 9965694 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 398627480 is about 19965.6575148428. The cubic root of 398627480 is about 735.9625995094.

The spelling of 398627480 in words is "three hundred ninety-eight million, six hundred twenty-seven thousand, four hundred eighty".