93690489 has 4 divisors (see below), whose sum is σ = 124920656. Its totient is φ = 62460324.

The previous prime is 93690473. The next prime is 93690497. The reversal of 93690489 is 98409639.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 93690489 - 2⁴ = 93690473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93690409) 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, 15615079 + ... + 15615084.

It is an arithmetic number, because the mean of its divisors is an integer number (31230164).

Almost surely, 2^93690489 is an apocalyptic number.

It is an amenable number.

93690489 is a deficient number, since it is larger than the sum of its proper divisors (31230167).

93690489 is a wasteful number, since it uses less digits than its factorization.

93690489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31230166.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 93690489 is about 9679.3847428439. The cubic root of 93690489 is about 454.1840046052.

The spelling of 93690489 in words is "ninety-three million, six hundred ninety thousand, four hundred eighty-nine".