234449780 has 12 divisors (see below), whose sum is σ = 492344580. Its totient is φ = 93779904.

The previous prime is 234449749. The next prime is 234449791. The reversal of 234449780 is 87944432.

It can be written as a sum of positive squares in 2 ways, for example, as 116553616 + 117896164 = 10796^2 + 10858^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5861225 + ... + 5861264.

It is an arithmetic number, because the mean of its divisors is an integer number (41028715).

Almost surely, 2^234449780 is an apocalyptic number.

234449780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234449780 is an abundant number, since it is smaller than the sum of its proper divisors (257894800).

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

234449780 is a wasteful number, since it uses less digits than its factorization.

234449780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11722498 (or 11722496 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 234449780 is about 15311.7530021876. The cubic root of 234449780 is about 616.6185843527.

The spelling of 234449780 in words is "two hundred thirty-four million, four hundred forty-nine thousand, seven hundred eighty".