398826082654 has 16 divisors (see below), whose sum is σ = 619900427520. Its totient is φ = 192310012440.

The previous prime is 398826082621. The next prime is 398826082661. The reversal of 398826082654 is 456280628893.

It is a junction number, because it is equal to n+sod(n) for n = 398826082592 and 398826082601.

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, 29344552 + ... + 29358139.

It is an arithmetic number, because the mean of its divisors is an integer number (38743776720).

Almost surely, 2^398826082654 is an apocalyptic number.

398826082654 is a deficient number, since it is larger than the sum of its proper divisors (221074344866).

398826082654 is a wasteful number, since it uses less digits than its factorization.

398826082654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58702815.

The product of its (nonzero) digits is 39813120, while the sum is 61.

The spelling of 398826082654 in words is "three hundred ninety-eight billion, eight hundred twenty-six million, eighty-two thousand, six hundred fifty-four".