361306399 has 2 divisors, whose sum is σ = 361306400. Its totient is φ = 361306398.

The previous prime is 361306373. The next prime is 361306403. The reversal of 361306399 is 993603163.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 361306399 - 2⁵ = 361306367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361306349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180653199 + 180653200.

It is an arithmetic number, because the mean of its divisors is an integer number (180653200).

Almost surely, 2^361306399 is an apocalyptic number.

361306399 is a deficient number, since it is larger than the sum of its proper divisors (1).

361306399 is an equidigital number, since it uses as much as digits as its factorization.

361306399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 40.

The square root of 361306399 is about 19008.0614214075. The cubic root of 361306399 is about 712.2381261485.

The spelling of 361306399 in words is "three hundred sixty-one million, three hundred six thousand, three hundred ninety-nine".