997367148 has 48 divisors (see below), whose sum is σ = 2648845920. Its totient is φ = 324345600.

The previous prime is 997367089. The next prime is 997367183. The reversal of 997367148 is 841763799.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 997367094 and 997367103.

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, 108193 + ... + 117048.

It is an arithmetic number, because the mean of its divisors is an integer number (55184290).

Almost surely, 2^997367148 is an apocalyptic number.

It is an amenable number.

997367148 is an abundant number, since it is smaller than the sum of its proper divisors (1651478772).

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

997367148 is a wasteful number, since it uses less digits than its factorization.

997367148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225295 (or 225287 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 997367148 is about 31581.1201194638. The cubic root of 997367148 is about 999.1216113259.

The spelling of 997367148 in words is "nine hundred ninety-seven million, three hundred sixty-seven thousand, one hundred forty-eight".