383472149 has 2 divisors, whose sum is σ = 383472150. Its totient is φ = 383472148.

The previous prime is 383472127. The next prime is 383472197. The reversal of 383472149 is 941274383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370562500 + 12909649 = 19250^2 + 3593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-383472149 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383472949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191736074 + 191736075.

It is an arithmetic number, because the mean of its divisors is an integer number (191736075).

Almost surely, 2^383472149 is an apocalyptic number.

It is an amenable number.

383472149 is a deficient number, since it is larger than the sum of its proper divisors (1).

383472149 is an equidigital number, since it uses as much as digits as its factorization.

383472149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 383472149 is about 19582.4449188553. Note that the first 3 decimals coincide. The cubic root of 383472149 is about 726.5150396492.

The spelling of 383472149 in words is "three hundred eighty-three million, four hundred seventy-two thousand, one hundred forty-nine".