65103438 has 16 divisors (see below), whose sum is σ = 137866320. Its totient is φ = 20424576.

The previous prime is 65103427. The next prime is 65103469. The reversal of 65103438 is 83430156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319033 + ... + 319236.

It is an arithmetic number, because the mean of its divisors is an integer number (8616645).

Almost surely, 2^65103438 is an apocalyptic number.

65103438 is an abundant number, since it is smaller than the sum of its proper divisors (72762882).

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

65103438 is a wasteful number, since it uses less digits than its factorization.

65103438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638291.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 65103438 is about 8068.6701506506. The cubic root of 65103438 is about 402.2857427376.

The spelling of 65103438 in words is "sixty-five million, one hundred three thousand, four hundred thirty-eight".