924650381 has 2 divisors, whose sum is σ = 924650382. Its totient is φ = 924650380.

The previous prime is 924650359. The next prime is 924650407. The reversal of 924650381 is 183056429.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 636805225 + 287845156 = 25235^2 + 16966^2 .

It is an emirp because it is prime and its reverse (183056429) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-924650381 is a prime.

It is a super-2 number, since 2×924650381² = 1709956654166890322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (924650581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462325190 + 462325191.

It is an arithmetic number, because the mean of its divisors is an integer number (462325191).

Almost surely, 2^924650381 is an apocalyptic number.

It is an amenable number.

924650381 is a deficient number, since it is larger than the sum of its proper divisors (1).

924650381 is an equidigital number, since it uses as much as digits as its factorization.

924650381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 924650381 is about 30408.0644073246. The cubic root of 924650381 is about 974.2248078076.

The spelling of 924650381 in words is "nine hundred twenty-four million, six hundred fifty thousand, three hundred eighty-one".