103640650 has 24 divisors (see below), whose sum is σ = 194255424. Its totient is φ = 41137200.

The previous prime is 103640629. The next prime is 103640651. The reversal of 103640650 is 56046301.

It is a super-3 number, since 3×103640650³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (103640651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1362 + ... + 14461.

It is an arithmetic number, because the mean of its divisors is an integer number (8093976).

Almost surely, 2^103640650 is an apocalyptic number.

103640650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103640650 is a deficient number, since it is larger than the sum of its proper divisors (90614774).

103640650 is a wasteful number, since it uses less digits than its factorization.

103640650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15966 (or 15961 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 103640650 is about 10180.4051982227. The cubic root of 103640650 is about 469.7246765333.

Adding to 103640650 its reverse (56046301), we get a palindrome (159686951).

The spelling of 103640650 in words is "one hundred three million, six hundred forty thousand, six hundred fifty".