918405324 has 48 divisors (see below), whose sum is σ = 2394403200. Its totient is φ = 304418448.

The previous prime is 918405283. The next prime is 918405343. The reversal of 918405324 is 423504819.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4422 + ... + 43085.

It is an arithmetic number, because the mean of its divisors is an integer number (49883400).

Almost surely, 2^918405324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 918405324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197201600).

918405324 is an abundant number, since it is smaller than the sum of its proper divisors (1475997876).

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

918405324 is a wasteful number, since it uses less digits than its factorization.

918405324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47699 (or 47691 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 918405324 is about 30305.2029196308. The cubic root of 918405324 is about 972.0265577258.

The spelling of 918405324 in words is "nine hundred eighteen million, four hundred five thousand, three hundred twenty-four".