208274652 has 90 divisors (see below), whose sum is σ = 556804248. Its totient is φ = 67880592.

The previous prime is 208274609. The next prime is 208274663. The reversal of 208274652 is 256472802.

It is a super-2 number, since 2×208274652² = 86756661331442208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2022033 + ... + 2022135.

Almost surely, 2^208274652 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 208274652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278402124).

208274652 is an abundant number, since it is smaller than the sum of its proper divisors (348529596).

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

208274652 is a wasteful number, since it uses less digits than its factorization.

208274652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 208274652 is about 14431.7238055611. The cubic root of 208274652 is about 592.7598859905.

The spelling of 208274652 in words is "two hundred eight million, two hundred seventy-four thousand, six hundred fifty-two".