346653399 has 4 divisors (see below), whose sum is σ = 462204536. Its totient is φ = 231102264.

The previous prime is 346653397. The next prime is 346653403. The reversal of 346653399 is 993356643.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 346653399 - 2¹ = 346653397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346653397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57775564 + ... + 57775569.

It is an arithmetic number, because the mean of its divisors is an integer number (115551134).

Almost surely, 2^346653399 is an apocalyptic number.

346653399 is a deficient number, since it is larger than the sum of its proper divisors (115551137).

346653399 is a wasteful number, since it uses less digits than its factorization.

346653399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115551136.

The product of its digits is 1574640, while the sum is 48.

The square root of 346653399 is about 18618.6304276120. The cubic root of 346653399 is about 702.4765333701.

It can be divided in two parts, 3466 and 53399, that added together give a palindrome (56865).

The spelling of 346653399 in words is "three hundred forty-six million, six hundred fifty-three thousand, three hundred ninety-nine".