4034394 has 64 divisors (see below), whose sum is σ = 11047680. Its totient is φ = 1062720.

The previous prime is 4034383. The next prime is 4034399. The reversal of 4034394 is 4934304.

4034394 = 366² + 367² + ... + 393².

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4034399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4504 + ... + 5324.

It is an arithmetic number, because the mean of its divisors is an integer number (172620).

Almost surely, 2^4034394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4034394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5523840).

4034394 is an abundant number, since it is smaller than the sum of its proper divisors (7013286).

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

4034394 is a wasteful number, since it uses less digits than its factorization.

4034394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 846 counting only the distinct ones).

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

The square root of 4034394 is about 2008.5800954903. The cubic root of 4034394 is about 159.1937829529.

Adding to 4034394 its reverse (4934304), we get a palindrome (8968698).

The spelling of 4034394 in words is "four million, thirty-four thousand, three hundred ninety-four".