200377428 has 24 divisors (see below), whose sum is σ = 482630400. Its totient is φ = 64637760.

The previous prime is 200377427. The next prime is 200377493. The reversal of 200377428 is 824773002.

It is a super-2 number, since 2×200377428² = 80302227303790368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200377427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268953 + ... + 269696.

It is an arithmetic number, because the mean of its divisors is an integer number (20109600).

Almost surely, 2^200377428 is an apocalyptic number.

It is an amenable number.

200377428 is an abundant number, since it is smaller than the sum of its proper divisors (282252972).

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

200377428 is a wasteful number, since it uses less digits than its factorization.

200377428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538687 (or 538685 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 200377428 is about 14155.4734290309. The cubic root of 200377428 is about 585.1711852006.

The spelling of 200377428 in words is "two hundred million, three hundred seventy-seven thousand, four hundred twenty-eight".