105906428 has 6 divisors (see below), whose sum is σ = 185336256. Its totient is φ = 52953212.

The previous prime is 105906419. The next prime is 105906433. The reversal of 105906428 is 824609501.

It is a super-2 number, since 2×105906428² = 22432342983438368, 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 as a sum of consecutive naturals, namely, 13238300 + ... + 13238307.

It is an arithmetic number, because the mean of its divisors is an integer number (30889376).

Almost surely, 2^105906428 is an apocalyptic number.

It is an amenable number.

105906428 is a deficient number, since it is larger than the sum of its proper divisors (79429828).

105906428 is a wasteful number, since it uses less digits than its factorization.

105906428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26476611 (or 26476609 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 105906428 is about 10291.0848796422. The cubic root of 105906428 is about 473.1230499289.

The spelling of 105906428 in words is "one hundred five million, nine hundred six thousand, four hundred twenty-eight".