103644434 has 8 divisors (see below), whose sum is σ = 160827660. Its totient is φ = 50035216.

The previous prime is 103644419. The next prime is 103644467. The reversal of 103644434 is 434446301.

It can be written as a sum of positive squares in 2 ways, for example, as 92064025 + 11580409 = 9595^2 + 3403^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103644397 and 103644406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893429 + ... + 893544.

Almost surely, 2^103644434 is an apocalyptic number.

103644434 is a deficient number, since it is larger than the sum of its proper divisors (57183226).

103644434 is a wasteful number, since it uses less digits than its factorization.

103644434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787004.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 103644434 is about 10180.5910437459. The cubic root of 103644434 is about 469.7303931337.

The spelling of 103644434 in words is "one hundred three million, six hundred forty-four thousand, four hundred thirty-four".