383472091 has 2 divisors, whose sum is σ = 383472092. Its totient is φ = 383472090.

The previous prime is 383472071. The next prime is 383472101. The reversal of 383472091 is 190274383.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 383472091 - 2⁵ = 383472059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 383472091.

It is not a weakly prime, because it can be changed into another prime (383472071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191736045 + 191736046.

It is an arithmetic number, because the mean of its divisors is an integer number (191736046).

Almost surely, 2^383472091 is an apocalyptic number.

383472091 is a deficient number, since it is larger than the sum of its proper divisors (1).

383472091 is an equidigital number, since it uses as much as digits as its factorization.

383472091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 383472091 is about 19582.4434379370. The cubic root of 383472091 is about 726.5150030208.

The spelling of 383472091 in words is "three hundred eighty-three million, four hundred seventy-two thousand, ninety-one".