264197376 has 216 divisors, whose sum is σ = 821393664. Its totient is φ = 84602880.

The previous prime is 264197359. The next prime is 264197411. The reversal of 264197376 is 673791462.

264197376 = T₁₈₉₅ + T₁₈₉₆ + ... + T₂₀₃₁.

264197376 is a `hidden beast` number, since 264 + 19 + 7 + 376 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1928380 + ... + 1928516.

Almost surely, 2^264197376 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 264197376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410696832).

264197376 is an abundant number, since it is smaller than the sum of its proper divisors (557196288).

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

264197376 is an equidigital number, since it uses as much as digits as its factorization.

264197376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 173 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 264197376 is about 16254.1495009736. The cubic root of 264197376 is about 641.6666974607. Note that the first 4 decimals are identical.

The spelling of 264197376 in words is "two hundred sixty-four million, one hundred ninety-seven thousand, three hundred seventy-six".