234778380 has 24 divisors (see below), whose sum is σ = 657379632. Its totient is φ = 62607552.

The previous prime is 234778363. The next prime is 234778471. The reversal of 234778380 is 83877432.

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, 1956427 + ... + 1956546.

It is an arithmetic number, because the mean of its divisors is an integer number (27390818).

Almost surely, 2^234778380 is an apocalyptic number.

234778380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234778380 is an abundant number, since it is smaller than the sum of its proper divisors (422601252).

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

234778380 is a wasteful number, since it uses less digits than its factorization.

234778380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912985 (or 3912983 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 234778380 is about 15322.4795643525. The cubic root of 234778380 is about 616.9065298527.

The spelling of 234778380 in words is "two hundred thirty-four million, seven hundred seventy-eight thousand, three hundred eighty".