398786700 has 72 divisors (see below), whose sum is σ = 1242590608. Its totient is φ = 98161920.

The previous prime is 398786699. The next prime is 398786701. The reversal of 398786700 is 7687893.

It is an interprime number because it is at equal distance from previous prime (398786699) and next prime (398786701).

It is a self number, because there is not a number n which added to its sum of digits gives 398786700.

It is not an unprimeable number, because it can be changed into a prime (398786701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47227 + ... + 55026.

Almost surely, 2^398786700 is an apocalyptic number.

398786700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

398786700 is an abundant number, since it is smaller than the sum of its proper divisors (843803908).

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

398786700 is a wasteful number, since it uses less digits than its factorization.

398786700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102283 (or 102276 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 398786700 is about 19969.6444635351. The cubic root of 398786700 is about 736.0605726573.

The spelling of 398786700 in words is "three hundred ninety-eight million, seven hundred eighty-six thousand, seven hundred".