938861149 has 6 divisors (see below), whose sum is σ = 946100030. Its totient is φ = 931677240.

The previous prime is 938861129. The next prime is 938861153. The reversal of 938861149 is 941168839.

It can be written as a sum of positive squares in only one way, i.e., 756800100 + 182061049 = 27510^2 + 13493^2 .

It is not a de Polignac number, because 938861149 - 2¹⁷ = 938730077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938861129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10194 + ... + 44515.

Almost surely, 2^938861149 is an apocalyptic number.

It is an amenable number.

938861149 is a deficient number, since it is larger than the sum of its proper divisors (7238881).

938861149 is an equidigital number, since it uses as much as digits as its factorization.

938861149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54971 (or 54840 counting only the distinct ones).

The product of its digits is 373248, while the sum is 49.

The square root of 938861149 is about 30640.8411927610. The cubic root of 938861149 is about 979.1903450784.

The spelling of 938861149 in words is "nine hundred thirty-eight million, eight hundred sixty-one thousand, one hundred forty-nine".