105046840 has 16 divisors (see below), whose sum is σ = 236355480. Its totient is φ = 42018720.

The previous prime is 105046831. The next prime is 105046847. The reversal of 105046840 is 48640501.

It is a super-2 number, since 2×105046840² = 22069677187971200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105046799 and 105046808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105046847) 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, 1313046 + ... + 1313125.

Almost surely, 2^105046840 is an apocalyptic number.

105046840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105046840 is an abundant number, since it is smaller than the sum of its proper divisors (131308640).

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

105046840 is a wasteful number, since it uses less digits than its factorization.

105046840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626182 (or 2626178 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 105046840 is about 10249.2360690931. The cubic root of 105046840 is about 471.8395389635.

The spelling of 105046840 in words is "one hundred five million, forty-six thousand, eight hundred forty".