42993800 has 48 divisors (see below), whose sum is σ = 100506960. Its totient is φ = 17103680.

The previous prime is 42993791. The next prime is 42993803. The reversal of 42993800 is 839924.

It is not an unprimeable number, because it can be changed into a prime (42993803) 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, 44927 + ... + 45873.

It is an arithmetic number, because the mean of its divisors is an integer number (2093895).

Almost surely, 2^42993800 is an apocalyptic number.

42993800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42993800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50253480).

42993800 is an abundant number, since it is smaller than the sum of its proper divisors (57513160).

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

42993800 is a wasteful number, since it uses less digits than its factorization.

42993800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 42993800 is about 6556.9657616919. The cubic root of 42993800 is about 350.3229671921.

The spelling of 42993800 in words is "forty-two million, nine hundred ninety-three thousand, eight hundred".