398829101 has 4 divisors (see below), whose sum is σ = 435086304. Its totient is φ = 362571900.

The previous prime is 398829097. The next prime is 398829113. The reversal of 398829101 is 101928893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 398829101 - 2² = 398829097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398829121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18128585 + ... + 18128606.

It is an arithmetic number, because the mean of its divisors is an integer number (108771576).

Almost surely, 2^398829101 is an apocalyptic number.

It is an amenable number.

398829101 is a deficient number, since it is larger than the sum of its proper divisors (36257203).

398829101 is a wasteful number, since it uses less digits than its factorization.

398829101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36257202.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 398829101 is about 19970.7060716440. The cubic root of 398829101 is about 736.0866589488.

The spelling of 398829101 in words is "three hundred ninety-eight million, eight hundred twenty-nine thousand, one hundred one".