34455391 has 4 divisors (see below), whose sum is σ = 34777512. Its totient is φ = 34133272.

The previous prime is 34455389. The next prime is 34455409. The reversal of 34455391 is 19355443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19355443 = 23 ⋅841541.

It is a cyclic number.

It is not a de Polignac number, because 34455391 - 2¹ = 34455389 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 (34455361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160900 + ... + 161113.

It is an arithmetic number, because the mean of its divisors is an integer number (8694378).

Almost surely, 2^34455391 is an apocalyptic number.

34455391 is a deficient number, since it is larger than the sum of its proper divisors (322121).

34455391 is a wasteful number, since it uses less digits than its factorization.

34455391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322120.

The product of its digits is 32400, while the sum is 34.

The square root of 34455391 is about 5869.8714636694. The cubic root of 34455391 is about 325.4011330979.

It can be divided in two parts, 3445 and 5391, that added together give a square (8836 = 94²).

The spelling of 34455391 in words is "thirty-four million, four hundred fifty-five thousand, three hundred ninety-one".