105878406 has 16 divisors (see below), whose sum is σ = 211978800. Its totient is φ = 35255808.

The previous prime is 105878389. The next prime is 105878411. The reversal of 105878406 is 604878501.

It is a super-2 number, since 2×105878406² = 22420473714201672, which contains 22 as substring.

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, 2691 + ... + 14798.

It is an arithmetic number, because the mean of its divisors is an integer number (13248675).

Almost surely, 2^105878406 is an apocalyptic number.

105878406 is an abundant number, since it is smaller than the sum of its proper divisors (106100394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105878406 is a wasteful number, since it uses less digits than its factorization.

105878406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18503.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 105878406 is about 10289.7233198954. The cubic root of 105878406 is about 473.0813180472.

The spelling of 105878406 in words is "one hundred five million, eight hundred seventy-eight thousand, four hundred six".