105285398 has 16 divisors (see below), whose sum is σ = 166652640. Its totient is φ = 49786176.

The previous prime is 105285379. The next prime is 105285409. The reversal of 105285398 is 893582501.

It is a super-2 number, since 2×105285398² = 22170030064036808, which contains 22 as substring.

It is a Curzon number.

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, 8765 + ... + 16952.

It is an arithmetic number, because the mean of its divisors is an integer number (10415790).

Almost surely, 2^105285398 is an apocalyptic number.

105285398 is a deficient number, since it is larger than the sum of its proper divisors (61367242).

105285398 is a wasteful number, since it uses less digits than its factorization.

105285398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25831.

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 105285398 is about 10260.8673122695. The cubic root of 105285398 is about 472.1964464044.

The spelling of 105285398 in words is "one hundred five million, two hundred eighty-five thousand, three hundred ninety-eight".