914824638 has 256 divisors, whose sum is σ = 2717245440. Its totient is φ = 221294592.

The previous prime is 914824619. The next prime is 914824639. The reversal of 914824638 is 836428419.

It is a happy number.

914824638 is a `hidden beast` number, since 9 + 1 + 4 + 8 + 2 + 4 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 914824593 and 914824602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (914824639) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3926170 + ... + 3926402.

It is an arithmetic number, because the mean of its divisors is an integer number (10614240).

Almost surely, 2^914824638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 914824638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358622720).

914824638 is an abundant number, since it is smaller than the sum of its proper divisors (1802420802).

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

914824638 is a wasteful number, since it uses less digits than its factorization.

914824638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 322 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 914824638 is about 30246.0681411651. The cubic root of 914824638 is about 970.7616641419.

The spelling of 914824638 in words is "nine hundred fourteen million, eight hundred twenty-four thousand, six hundred thirty-eight".