997446467 has 4 divisors (see below), whose sum is σ = 998677176. Its totient is φ = 996215760.

The previous prime is 997446449. The next prime is 997446469. The reversal of 997446467 is 764644799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764644799 = 211 ⋅3623909.

It is a cyclic number.

It is not a de Polignac number, because 997446467 - 2¹² = 997442371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (997446469) 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, 614138 + ... + 615759.

It is an arithmetic number, because the mean of its divisors is an integer number (249669294).

Almost surely, 2^997446467 is an apocalyptic number.

997446467 is a deficient number, since it is larger than the sum of its proper divisors (1230709).

997446467 is a wasteful number, since it uses less digits than its factorization.

997446467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230708.

The product of its digits is 9144576, while the sum is 56.

The square root of 997446467 is about 31582.3758922599. The cubic root of 997446467 is about 999.1480968004.

The spelling of 997446467 in words is "nine hundred ninety-seven million, four hundred forty-six thousand, four hundred sixty-seven".