105380390 has 8 divisors (see below), whose sum is σ = 189684720. Its totient is φ = 42152152.

The previous prime is 105380389. The next prime is 105380393. The reversal of 105380390 is 93083501.

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

It is a super-2 number, since 2×105380390² = 22210053193104200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105380393) 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, 5269010 + ... + 5269029.

It is an arithmetic number, because the mean of its divisors is an integer number (23710590).

Almost surely, 2^105380390 is an apocalyptic number.

105380390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105380390 is a deficient number, since it is larger than the sum of its proper divisors (84304330).

105380390 is a wasteful number, since it uses less digits than its factorization.

105380390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10538046.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 105380390 is about 10265.4951171388. The cubic root of 105380390 is about 472.3384141815.

The spelling of 105380390 in words is "one hundred five million, three hundred eighty thousand, three hundred ninety".