997467236 has 6 divisors (see below), whose sum is σ = 1745567670. Its totient is φ = 498733616.

The previous prime is 997467221. The next prime is 997467281. The reversal of 997467236 is 632764799.

It can be written as a sum of positive squares in only one way, i.e., 675480100 + 321987136 = 25990^2 + 17944^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124683401 + ... + 124683408.

It is an arithmetic number, because the mean of its divisors is an integer number (290927945).

Almost surely, 2^997467236 is an apocalyptic number.

It is an amenable number.

997467236 is a deficient number, since it is larger than the sum of its proper divisors (748100434).

997467236 is a wasteful number, since it uses less digits than its factorization.

997467236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249366813 (or 249366811 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 53.

The square root of 997467236 is about 31582.7046973498. The cubic root of 997467236 is about 999.1550315628.

The spelling of 997467236 in words is "nine hundred ninety-seven million, four hundred sixty-seven thousand, two hundred thirty-six".