34200420 has 48 divisors (see below), whose sum is σ = 96018048. Its totient is φ = 9095680.

The previous prime is 34200407. The next prime is 34200457. The reversal of 34200420 is 2400243.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 34200420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38380 + ... + 39260.

It is an arithmetic number, because the mean of its divisors is an integer number (2000376).

Almost surely, 2^34200420 is an apocalyptic number.

34200420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34200420 is an abundant number, since it is smaller than the sum of its proper divisors (61817628).

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

34200420 is a wasteful number, since it uses less digits than its factorization.

34200420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540 (or 1538 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 34200420 is about 5848.1125160175. The cubic root of 34200420 is about 324.5964854036.

Adding to 34200420 its reverse (2400243), we get a palindrome (36600663).

The spelling of 34200420 in words is "thirty-four million, two hundred thousand, four hundred twenty".