34394238 has 48 divisors (see below), whose sum is σ = 78380016. Its totient is φ = 10886400.

The previous prime is 34394219. The next prime is 34394257. The reversal of 34394238 is 83249343.

It is a happy number.

34394238 is a `hidden beast` number, since 34 + 394 + 238 = 666.

It is an interprime number because it is at equal distance from previous prime (34394219) and next prime (34394257).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28038 + ... + 29238.

It is an arithmetic number, because the mean of its divisors is an integer number (1632917).

Almost surely, 2^34394238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34394238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39190008).

34394238 is an abundant number, since it is smaller than the sum of its proper divisors (43985778).

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

34394238 is a wasteful number, since it uses less digits than its factorization.

34394238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1286 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 34394238 is about 5864.6600924521. The cubic root of 34394238 is about 325.2085068330.

The spelling of 34394238 in words is "thirty-four million, three hundred ninety-four thousand, two hundred thirty-eight".