4209494 has 4 divisors (see below), whose sum is σ = 6314244. Its totient is φ = 2104746.

The previous prime is 4209493. The next prime is 4209497. The reversal of 4209494 is 4949024.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 4 + 2¹¹ + 0 + 9⁴ + 4² + 9⁴ + 4¹¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 4209494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4209493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052372 + ... + 1052375.

It is an arithmetic number, because the mean of its divisors is an integer number (1578561).

Almost surely, 2^4209494 is an apocalyptic number.

4209494 is a deficient number, since it is larger than the sum of its proper divisors (2104750).

4209494 is a wasteful number, since it uses less digits than its factorization.

4209494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104749.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 4209494 is about 2051.7051445079. The cubic root of 4209494 is about 161.4643436828.

The spelling of 4209494 in words is "four million, two hundred nine thousand, four hundred ninety-four".