398029073 has 16 divisors (see below), whose sum is σ = 435637440. Its totient is φ = 361458624.

The previous prime is 398029067. The next prime is 398029103. The reversal of 398029073 is 370920893.

It is a cyclic number.

It is not a de Polignac number, because 398029073 - 2¹⁰ = 398028049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 398029073.

It is not an unprimeable number, because it can be changed into a prime (398029003) 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, 315518 + ... + 316776.

It is an arithmetic number, because the mean of its divisors is an integer number (27227340).

Almost surely, 2^398029073 is an apocalyptic number.

It is an amenable number.

398029073 is a deficient number, since it is larger than the sum of its proper divisors (37608367).

398029073 is a wasteful number, since it uses less digits than its factorization.

398029073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 398029073 is about 19950.6659788590. The cubic root of 398029073 is about 735.5941471309.

The spelling of 398029073 in words is "three hundred ninety-eight million, twenty-nine thousand, seventy-three".