3429820 has 12 divisors (see below), whose sum is σ = 7202664. Its totient is φ = 1371920.

The previous prime is 3429799. The next prime is 3429821. The reversal of 3429820 is 289243.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3429821) 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, 85726 + ... + 85765.

It is an arithmetic number, because the mean of its divisors is an integer number (600222).

Almost surely, 2^3429820 is an apocalyptic number.

It is an amenable number.

3429820 is an abundant number, since it is smaller than the sum of its proper divisors (3772844).

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

3429820 is a wasteful number, since it uses less digits than its factorization.

3429820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171500 (or 171498 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3429820 is about 1851.9773216754. The cubic root of 3429820 is about 150.8077901728.

The spelling of 3429820 in words is "three million, four hundred twenty-nine thousand, eight hundred twenty".