354396769 has 2 divisors, whose sum is σ = 354396770. Its totient is φ = 354396768.

The previous prime is 354396737. The next prime is 354396781. The reversal of 354396769 is 967693453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178489600 + 175907169 = 13360^2 + 13263^2 .

It is an emirp because it is prime and its reverse (967693453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354396769 - 2⁵ = 354396737 is a prime.

It is a super-2 number, since 2×354396769² = 251194139755278722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (354396709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177198384 + 177198385.

It is an arithmetic number, because the mean of its divisors is an integer number (177198385).

Almost surely, 2^354396769 is an apocalyptic number.

It is an amenable number.

354396769 is a deficient number, since it is larger than the sum of its proper divisors (1).

354396769 is an equidigital number, since it uses as much as digits as its factorization.

354396769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3674160, while the sum is 52.

The square root of 354396769 is about 18825.4287866173. The cubic root of 354396769 is about 707.6685869773.

The spelling of 354396769 in words is "three hundred fifty-four million, three hundred ninety-six thousand, seven hundred sixty-nine".