3427406 has 8 divisors (see below), whose sum is σ = 5167800. Its totient is φ = 1704808.

The previous prime is 3427399. The next prime is 3427409. The reversal of 3427406 is 6047243.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3427406² = 23494223777672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3427409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3956 + ... + 4743.

It is an arithmetic number, because the mean of its divisors is an integer number (645975).

Almost surely, 2^3427406 is an apocalyptic number.

3427406 is a deficient number, since it is larger than the sum of its proper divisors (1740394).

3427406 is a wasteful number, since it uses less digits than its factorization.

3427406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8898.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 3427406 is about 1851.3254711152. The cubic root of 3427406 is about 150.7724010029.

The spelling of 3427406 in words is "three million, four hundred twenty-seven thousand, four hundred six".