428751436 has 12 divisors (see below), whose sum is σ = 754653312. Its totient is φ = 213136208.

The previous prime is 428751431. The next prime is 428751467. The reversal of 428751436 is 634157824.

It is not an unprimeable number, because it can be changed into a prime (428751431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309100 + ... + 310483.

It is an arithmetic number, because the mean of its divisors is an integer number (62887776).

Almost surely, 2^428751436 is an apocalyptic number.

It is an amenable number.

428751436 is a deficient number, since it is larger than the sum of its proper divisors (325901876).

428751436 is a wasteful number, since it uses less digits than its factorization.

428751436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619760 (or 619758 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 428751436 is about 20706.3139162913. The cubic root of 428751436 is about 754.0529833519.

The spelling of 428751436 in words is "four hundred twenty-eight million, seven hundred fifty-one thousand, four hundred thirty-six".