34894220 has 48 divisors (see below), whose sum is σ = 78962688. Its totient is φ = 12914880.

The previous prime is 34894201. The next prime is 34894253. The reversal of 34894220 is 2249843.

34894220 = T₉₇₁ + T₉₇₂ + ... + T₁₀₃₉.

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, 13037 + ... + 15483.

It is an arithmetic number, because the mean of its divisors is an integer number (1645056).

Almost surely, 2^34894220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34894220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39481344).

34894220 is an abundant number, since it is smaller than the sum of its proper divisors (44068468).

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

34894220 is a wasteful number, since it uses less digits than its factorization.

34894220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510 (or 2508 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 34894220 is about 5907.1329763262. The cubic root of 34894220 is about 326.7767619098.

The spelling of 34894220 in words is "thirty-four million, eight hundred ninety-four thousand, two hundred twenty".