997536148 has 12 divisors (see below), whose sum is σ = 1995072352. Its totient is φ = 427515480.

The previous prime is 997536121. The next prime is 997536173. The reversal of 997536148 is 841635799.

It is a happy number.

997536148 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 997536095 and 997536104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17813118 + ... + 17813173.

Almost surely, 2^997536148 is an apocalyptic number.

It is an amenable number.

997536148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

997536148 is a wasteful number, since it uses less digits than its factorization.

997536148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35626302 (or 35626300 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 997536148 is about 31583.7956553673. The cubic root of 997536148 is about 999.1780405678.

The spelling of 997536148 in words is "nine hundred ninety-seven million, five hundred thirty-six thousand, one hundred forty-eight".