105406392 has 192 divisors, whose sum is σ = 346590720. Its totient is φ = 26007552.

The previous prime is 105406369. The next prime is 105406393. The reversal of 105406392 is 293604501.

It is a super-2 number, since 2×105406392² = 22221014948915328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105406393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 631093 + ... + 631259.

It is an arithmetic number, because the mean of its divisors is an integer number (1805160).

Almost surely, 2^105406392 is an apocalyptic number.

105406392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105406392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173295360).

105406392 is an abundant number, since it is smaller than the sum of its proper divisors (241184328).

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

105406392 is a wasteful number, since it uses less digits than its factorization.

105406392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 105406392 is about 10266.7615147134. The cubic root of 105406392 is about 472.3772599080.

The spelling of 105406392 in words is "one hundred five million, four hundred six thousand, three hundred ninety-two".