10405898 has 8 divisors (see below), whose sum is σ = 15674340. Its totient is φ = 5181120.

The previous prime is 10405897. The next prime is 10405949. The reversal of 10405898 is 89850401.

It can be written as a sum of positive squares in 2 ways, for example, as 10259209 + 146689 = 3203^2 + 383^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10405891) 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, 10313 + ... + 11276.

Almost surely, 2^10405898 is an apocalyptic number.

10405898 is a deficient number, since it is larger than the sum of its proper divisors (5268442).

10405898 is a wasteful number, since it uses less digits than its factorization.

10405898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21832.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 10405898 is about 3225.8174157878. The cubic root of 10405898 is about 218.3198318607.

The spelling of 10405898 in words is "ten million, four hundred five thousand, eight hundred ninety-eight".