34400149 has 4 divisors (see below), whose sum is σ = 39314464. Its totient is φ = 29485836.

The previous prime is 34400147. The next prime is 34400153. The reversal of 34400149 is 94100443.

It is a happy number.

34400149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34400149 - 2¹ = 34400147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34400141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2457147 + ... + 2457160.

It is an arithmetic number, because the mean of its divisors is an integer number (9828616).

Almost surely, 2^34400149 is an apocalyptic number.

It is an amenable number.

34400149 is a deficient number, since it is larger than the sum of its proper divisors (4914315).

34400149 is an equidigital number, since it uses as much as digits as its factorization.

34400149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914314.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 34400149 is about 5865.1640215769. The cubic root of 34400149 is about 325.2271358969.

The spelling of 34400149 in words is "thirty-four million, four hundred thousand, one hundred forty-nine".