924638149 has 2 divisors, whose sum is σ = 924638150. Its totient is φ = 924638148.

The previous prime is 924638137. The next prime is 924638153. The reversal of 924638149 is 941836429.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 837813025 + 86825124 = 28945^2 + 9318^2 .

It is a cyclic number.

It is not a de Polignac number, because 924638149 - 2¹³ = 924629957 is a prime.

It is a super-2 number, since 2×924638149² = 1709911413172292402, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 924638099 and 924638108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (924638119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462319074 + 462319075.

It is an arithmetic number, because the mean of its divisors is an integer number (462319075).

Almost surely, 2^924638149 is an apocalyptic number.

It is an amenable number.

924638149 is a deficient number, since it is larger than the sum of its proper divisors (1).

924638149 is an equidigital number, since it uses as much as digits as its factorization.

924638149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 924638149 is about 30407.8632758042. The cubic root of 924638149 is about 974.2205118522.

The spelling of 924638149 in words is "nine hundred twenty-four million, six hundred thirty-eight thousand, one hundred forty-nine".