34220394 has 40 divisors (see below), whose sum is σ = 82582500. Its totient is φ = 10528704.

The previous prime is 34220357. The next prime is 34220399. The reversal of 34220394 is 49302243.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33489369 + 731025 = 5787^2 + 855^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (34220399) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6019 + ... + 10230.

Almost surely, 2^34220394 is an apocalyptic number.

34220394 is an abundant number, since it is smaller than the sum of its proper divisors (48362106).

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

34220394 is a wasteful number, since it uses less digits than its factorization.

34220394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16276 (or 16267 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 34220394 is about 5849.8199972307. The cubic root of 34220394 is about 324.6596642421.

It can be divided in two parts, 342 and 20394, that added together give a 4-th power (20736 = 12⁴).

The spelling of 34220394 in words is "thirty-four million, two hundred twenty thousand, three hundred ninety-four".