34860420 has 144 divisors (see below), whose sum is σ = 122828160. Its totient is φ = 7838208.

The previous prime is 34860389. The next prime is 34860431. The reversal of 34860420 is 2406843.

34860420 is a `hidden beast` number, since 34 + 8 + 604 + 20 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91791 + ... + 92169.

Almost surely, 2^34860420 is an apocalyptic number.

34860420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34860420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61414080).

34860420 is an abundant number, since it is smaller than the sum of its proper divisors (87967740).

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

34860420 is a wasteful number, since it uses less digits than its factorization.

34860420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 34860420 is about 5904.2713352284. The cubic root of 34860420 is about 326.6712179476.

The spelling of 34860420 in words is "thirty-four million, eight hundred sixty thousand, four hundred twenty".