40346 has 4 divisors (see below), whose sum is σ = 60522. Its totient is φ = 20172.

The previous prime is 40343. The next prime is 40351. The reversal of 40346 is 64304.

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

It can be written as a sum of positive squares in only one way, i.e., 21025 + 19321 = 145^2 + 139^2 .

It is not an unprimeable number, because it can be changed into a prime (40343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10085 + ... + 10088.

2⁴⁰³⁴⁶ is an apocalyptic number.

40346 is a deficient number, since it is larger than the sum of its proper divisors (20176).

40346 is a wasteful number, since it uses less digits than its factorization.

40346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20175.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40346 is about 200.8631374842. The cubic root of 40346 is about 34.2978445835.

The spelling of 40346 in words is "forty thousand, three hundred forty-six".