1653496398 has 24 divisors (see below), whose sum is σ = 3793315968. Its totient is φ = 518743872.

The previous prime is 1653496333. The next prime is 1653496423. The reversal of 1653496398 is 8936943561.

1653496398 is a `hidden beast` number, since 1 + 65 + 3 + 496 + 3 + 98 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2701486 + ... + 2702097.

It is an arithmetic number, because the mean of its divisors is an integer number (158054832).

Almost surely, 2^1653496398 is an apocalyptic number.

1653496398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1653496398 is an abundant number, since it is smaller than the sum of its proper divisors (2139819570).

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

1653496398 is a wasteful number, since it uses less digits than its factorization.

1653496398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5403608 (or 5403605 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 1653496398 is about 40663.2069320657. The cubic root of 1653496398 is about 1182.4998229703.

The spelling of 1653496398 in words is "one billion, six hundred fifty-three million, four hundred ninety-six thousand, three hundred ninety-eight".