390947119 has 2 divisors, whose sum is σ = 390947120. Its totient is φ = 390947118.

The previous prime is 390947101. The next prime is 390947129. The reversal of 390947119 is 911749093.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 390947119 - 2⁷ = 390946991 is a prime.

It is a super-2 number, since 2×390947119² = 305679299708800322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390947129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195473559 + 195473560.

It is an arithmetic number, because the mean of its divisors is an integer number (195473560).

Almost surely, 2^390947119 is an apocalyptic number.

390947119 is a deficient number, since it is larger than the sum of its proper divisors (1).

390947119 is an equidigital number, since it uses as much as digits as its factorization.

390947119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 390947119 is about 19772.3827345113. The cubic root of 390947119 is about 731.2053141028.

The spelling of 390947119 in words is "three hundred ninety million, nine hundred forty-seven thousand, one hundred nineteen".