343990077 has 8 divisors (see below), whose sum is σ = 458835840. Its totient is φ = 229235520.

The previous prime is 343990069. The next prime is 343990081. The reversal of 343990077 is 770099343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343990077 - 2³ = 343990069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343990177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13452 + ... + 29477.

It is an arithmetic number, because the mean of its divisors is an integer number (57354480).

Almost surely, 2^343990077 is an apocalyptic number.

It is an amenable number.

343990077 is a deficient number, since it is larger than the sum of its proper divisors (114845763).

343990077 is a wasteful number, since it uses less digits than its factorization.

343990077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45603.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 343990077 is about 18546.9694829101. The cubic root of 343990077 is about 700.6728747608.

The spelling of 343990077 in words is "three hundred forty-three million, nine hundred ninety thousand, seventy-seven".