1628494498 has 32 divisors (see below), whose sum is σ = 2655056880. Its totient is φ = 746096640.

The previous prime is 1628494451. The next prime is 1628494523. The reversal of 1628494498 is 8944948261.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 812421009 + 816073489 = 28503^2 + 28567^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909388 + ... + 911176.

Almost surely, 2^1628494498 is an apocalyptic number.

1628494498 is a deficient number, since it is larger than the sum of its proper divisors (1026562382).

1628494498 is a wasteful number, since it uses less digits than its factorization.

1628494498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502.

The product of its digits is 3981312, while the sum is 55.

The square root of 1628494498 is about 40354.6093773685. The cubic root of 1628494498 is about 1176.5094824727.

The spelling of 1628494498 in words is "one billion, six hundred twenty-eight million, four hundred ninety-four thousand, four hundred ninety-eight".