103898493 has 12 divisors (see below), whose sum is σ = 150409948. Its totient is φ = 69111360.

The previous prime is 103898477. The next prime is 103898507. The reversal of 103898493 is 394898301.

It can be written as a sum of positive squares in 2 ways, for example, as 51451929 + 52446564 = 7173^2 + 7242^2 .

It is not a de Polignac number, because 103898493 - 2⁴ = 103898477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103898423) 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, 8518 + ... + 16743.

Almost surely, 2^103898493 is an apocalyptic number.

It is an amenable number.

103898493 is a deficient number, since it is larger than the sum of its proper divisors (46511455).

103898493 is a wasteful number, since it uses less digits than its factorization.

103898493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25724 (or 25721 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 103898493 is about 10193.0610220875. The cubic root of 103898493 is about 470.1138897082.

The spelling of 103898493 in words is "one hundred three million, eight hundred ninety-eight thousand, four hundred ninety-three".