3420234 has 24 divisors (see below), whose sum is σ = 7469280. Its totient is φ = 1131048.

The previous prime is 3420227. The next prime is 3420239. The reversal of 3420234 is 4320243.

It is a super-2 number, since 2×3420234² = 23396001229512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3420239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1819 + ... + 3185.

It is an arithmetic number, because the mean of its divisors is an integer number (311220).

Almost surely, 2^3420234 is an apocalyptic number.

3420234 is an abundant number, since it is smaller than the sum of its proper divisors (4049046).

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

3420234 is a wasteful number, since it uses less digits than its factorization.

3420234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514 (or 1511 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3420234 is about 1849.3874661628. The cubic root of 3420234 is about 150.6671615702.

Adding to 3420234 its reverse (4320243), we get a palindrome (7740477).

Subtracting 3420234 from its reverse (4320243), we obtain a palindrome (900009).

The spelling of 3420234 in words is "three million, four hundred twenty thousand, two hundred thirty-four".