428252498 has 8 divisors (see below), whose sum is σ = 648272460. Its totient is φ = 212161680.

The previous prime is 428252497. The next prime is 428252501. The reversal of 428252498 is 894252824.

It can be written as a sum of positive squares in 2 ways, for example, as 423248329 + 5004169 = 20573^2 + 2237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (428252497) 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, 982013 + ... + 982448.

Almost surely, 2^428252498 is an apocalyptic number.

428252498 is a deficient number, since it is larger than the sum of its proper divisors (220019962).

428252498 is a wasteful number, since it uses less digits than its factorization.

428252498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964572.

The product of its digits is 368640, while the sum is 44.

The square root of 428252498 is about 20694.2624415561. The cubic root of 428252498 is about 753.7603726936.

The spelling of 428252498 in words is "four hundred twenty-eight million, two hundred fifty-two thousand, four hundred ninety-eight".