398800045 has 8 divisors (see below), whose sum is σ = 546925824. Its totient is φ = 273462864.

The previous prime is 398800033. The next prime is 398800069. The reversal of 398800045 is 540008893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 398800045 - 2¹⁵ = 398767277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398799977 and 398800013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5697109 + ... + 5697178.

It is an arithmetic number, because the mean of its divisors is an integer number (68365728).

Almost surely, 2^398800045 is an apocalyptic number.

398800045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

398800045 is a deficient number, since it is larger than the sum of its proper divisors (148125779).

398800045 is a wasteful number, since it uses less digits than its factorization.

398800045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11394299.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 398800045 is about 19969.9785928779. The cubic root of 398800045 is about 736.0687830772.

The spelling of 398800045 in words is "three hundred ninety-eight million, eight hundred thousand, forty-five".