93444420 has 24 divisors (see below), whose sum is σ = 261644544. Its totient is φ = 24918496.

The previous prime is 93444397. The next prime is 93444433. The reversal of 93444420 is 2444439.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 778644 + ... + 778763.

It is an arithmetic number, because the mean of its divisors is an integer number (10901856).

Almost surely, 2^93444420 is an apocalyptic number.

It is an amenable number.

93444420 is an abundant number, since it is smaller than the sum of its proper divisors (168200124).

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

93444420 is a wasteful number, since it uses less digits than its factorization.

93444420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557419 (or 1557417 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 93444420 is about 9666.6654022988. The cubic root of 93444420 is about 453.7860325490.

Adding to 93444420 its reverse (2444439), we get a palindrome (95888859).

It can be divided in two parts, 934 and 44420, that added together give a palindrome (45354).

The spelling of 93444420 in words is "ninety-three million, four hundred forty-four thousand, four hundred twenty".