428611136 has 14 divisors (see below), whose sum is σ = 850525350. Its totient is φ = 214305536.

The previous prime is 428611111. The next prime is 428611153. The reversal of 428611136 is 631116824.

It can be written as a sum of positive squares in only one way, i.e., 231040000 + 197571136 = 15200^2 + 14056^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3348461 + ... + 3348588.

Almost surely, 2^428611136 is an apocalyptic number.

It is an amenable number.

428611136 is a deficient number, since it is larger than the sum of its proper divisors (421914214).

428611136 is an equidigital number, since it uses as much as digits as its factorization.

428611136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6697061 (or 6697051 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 428611136 is about 20702.9257835698. The cubic root of 428611136 is about 753.9707249878.

The spelling of 428611136 in words is "four hundred twenty-eight million, six hundred eleven thousand, one hundred thirty-six".