103936457 has 4 divisors (see below), whose sum is σ = 103957140. Its totient is φ = 103915776.

The previous prime is 103936439. The next prime is 103936463. The reversal of 103936457 is 754639301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 754639301 = 13 ⋅58049177.

It can be written as a sum of positive squares in 2 ways, for example, as 10601536 + 93334921 = 3256^2 + 9661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103936457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103936457.

It is not an unprimeable number, because it can be changed into a prime (103936477) 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, 2573 + ... + 14645.

It is an arithmetic number, because the mean of its divisors is an integer number (25989285).

Almost surely, 2^103936457 is an apocalyptic number.

It is an amenable number.

103936457 is a deficient number, since it is larger than the sum of its proper divisors (20683).

103936457 is an equidigital number, since it uses as much as digits as its factorization.

103936457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20682.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 103936457 is about 10194.9230992686. The cubic root of 103936457 is about 470.1711418391.

The spelling of 103936457 in words is "one hundred three million, nine hundred thirty-six thousand, four hundred fifty-seven".