93939450 has 144 divisors (see below), whose sum is σ = 271348704. Its totient is φ = 21324800.

The previous prime is 93939449. The next prime is 93939457. The reversal of 93939450 is 5493939.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (93939457) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 476752 + ... + 476948.

It is an arithmetic number, because the mean of its divisors is an integer number (1884366).

Almost surely, 2^93939450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 93939450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135674352).

93939450 is an abundant number, since it is smaller than the sum of its proper divisors (177409254).

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

93939450 is a wasteful number, since it uses less digits than its factorization.

93939450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 93939450 is about 9692.2365839882. The cubic root of 93939450 is about 454.5859454233.

The spelling of 93939450 in words is "ninety-three million, nine hundred thirty-nine thousand, four hundred fifty".