3420437 has 4 divisors (see below), whose sum is σ = 3600480. Its totient is φ = 3240396.

The previous prime is 3420433. The next prime is 3420457. The reversal of 3420437 is 7340243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3420437 - 2² = 3420433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420433) 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, 89993 + ... + 90030.

It is an arithmetic number, because the mean of its divisors is an integer number (900120).

Almost surely, 2^3420437 is an apocalyptic number.

It is an amenable number.

3420437 is a deficient number, since it is larger than the sum of its proper divisors (180043).

3420437 is a wasteful number, since it uses less digits than its factorization.

3420437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180042.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 3420437 is about 1849.4423483850. The cubic root of 3420437 is about 150.6701423437.

The spelling of 3420437 in words is "three million, four hundred twenty thousand, four hundred thirty-seven".