1098652897 has 8 divisors (see below), whose sum is σ = 1170986112. Its totient is φ = 1027176000.

The previous prime is 1098652889. The next prime is 1098652913. The reversal of 1098652897 is 7982568901.

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

It is a cyclic number.

It is not a de Polignac number, because 1098652897 - 2³ = 1098652889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1098652817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211429 + ... + 216562.

It is an arithmetic number, because the mean of its divisors is an integer number (146373264).

Almost surely, 2^1098652897 is an apocalyptic number.

1098652897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1098652897 is a deficient number, since it is larger than the sum of its proper divisors (72333215).

1098652897 is a wasteful number, since it uses less digits than its factorization.

1098652897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428159.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The square root of 1098652897 is about 33145.9333403059. The cubic root of 1098652897 is about 1031.8585531282.

The spelling of 1098652897 in words is "one billion, ninety-eight million, six hundred fifty-two thousand, eight hundred ninety-seven".