345396 has 24 divisors (see below), whose sum is σ = 816480. Its totient is φ = 113632.

The previous prime is 345379. The next prime is 345413. The reversal of 345396 is 693543.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (345379) and next prime (345413).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 3 + 4⁶ + 3⁷ + 5³ + 9⁵ + 6⁷ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345396.

It is an unprimeable number.

345396 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150 + ... + 1418.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2³⁴⁵³⁹⁶ is an apocalyptic number.

It is an amenable number.

345396 is an abundant number, since it is smaller than the sum of its proper divisors (471084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345396 is a wasteful number, since it uses less digits than its factorization.

345396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 381 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

The square root of 345396 is about 587.7040071328. The cubic root of 345396 is about 70.1626151379.

It can be divided in two parts, 345 and 396, that added together give a triangular number (741 = T₃₈).

The spelling of 345396 in words is "three hundred forty-five thousand, three hundred ninety-six".