93444390 has 48 divisors (see below), whose sum is σ = 261647568. Its totient is φ = 23001408.

The previous prime is 93444383. The next prime is 93444397. The reversal of 93444390 is 9344439.

It is an interprime number because it is at equal distance from previous prime (93444383) and next prime (93444397).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93444397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38764 + ... + 41103.

It is an arithmetic number, because the mean of its divisors is an integer number (5450991).

Almost surely, 2^93444390 is an apocalyptic number.

93444390 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

93444390 is an abundant number, since it is smaller than the sum of its proper divisors (168203178).

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

93444390 is a wasteful number, since it uses less digits than its factorization.

93444390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79893 (or 79890 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 93444390 is about 9666.6638505743. The cubic root of 93444390 is about 453.7859839869.

The spelling of 93444390 in words is "ninety-three million, four hundred forty-four thousand, three hundred ninety".