1098737652 has 12 divisors (see below), whose sum is σ = 2563721216. Its totient is φ = 366245880.

The previous prime is 1098737617. The next prime is 1098737657. The reversal of 1098737652 is 2567378901.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098737657) 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, 45780724 + ... + 45780747.

Almost surely, 2^1098737652 is an apocalyptic number.

1098737652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1098737652 is an abundant number, since it is smaller than the sum of its proper divisors (1464983564).

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

1098737652 is a wasteful number, since it uses less digits than its factorization.

1098737652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91561478 (or 91561476 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 1098737652 is about 33147.2118284480. The cubic root of 1098737652 is about 1031.8850865078.

The spelling of 1098737652 in words is "one billion, ninety-eight million, seven hundred thirty-seven thousand, six hundred fifty-two".