398867883 has 16 divisors (see below), whose sum is σ = 537432192. Its totient is φ = 263120000.

The previous prime is 398867879. The next prime is 398867921. The reversal of 398867883 is 388768893.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 398867883 - 2² = 398867879 is a prime.

It is not an unprimeable number, because it can be changed into a prime (398867083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156328 + ... + 158858.

It is an arithmetic number, because the mean of its divisors is an integer number (33589512).

Almost surely, 2^398867883 is an apocalyptic number.

398867883 is a deficient number, since it is larger than the sum of its proper divisors (138564309).

398867883 is a wasteful number, since it uses less digits than its factorization.

398867883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066.

The product of its digits is 13934592, while the sum is 60.

The square root of 398867883 is about 19971.6770202204. The cubic root of 398867883 is about 736.1105171105.

The spelling of 398867883 in words is "three hundred ninety-eight million, eight hundred sixty-seven thousand, eight hundred eighty-three".