3426638 has 4 divisors (see below), whose sum is σ = 5139960. Its totient is φ = 1713318.

The previous prime is 3426637. The next prime is 3426641. The reversal of 3426638 is 8366243.

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

It is a d-powerful number, because it can be written as 3 + 4¹⁰ + 2²¹ + 6³ + 6⁷ + 3⁵ + 8³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3426637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856658 + ... + 856661.

It is an arithmetic number, because the mean of its divisors is an integer number (1284990).

Almost surely, 2^3426638 is an apocalyptic number.

3426638 is a deficient number, since it is larger than the sum of its proper divisors (1713322).

3426638 is a wasteful number, since it uses less digits than its factorization.

3426638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713321.

The product of its digits is 20736, while the sum is 32.

The square root of 3426638 is about 1851.1180405366. The cubic root of 3426638 is about 150.7611386610.

The spelling of 3426638 in words is "three million, four hundred twenty-six thousand, six hundred thirty-eight".