993450461 has 8 divisors (see below), whose sum is σ = 1003181760. Its totient is φ = 983735872.

The previous prime is 993450449. The next prime is 993450463. The reversal of 993450461 is 164054399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 993450461 - 2¹⁴ = 993434077 is a prime.

It is a super-2 number, since 2×993450461² = 1973887636922225042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993450463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138776 + ... + 145758.

It is an arithmetic number, because the mean of its divisors is an integer number (125397720).

Almost surely, 2^993450461 is an apocalyptic number.

It is an amenable number.

993450461 is a deficient number, since it is larger than the sum of its proper divisors (9731299).

993450461 is a wasteful number, since it uses less digits than its factorization.

993450461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8355.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 993450461 is about 31519.0491766487. The cubic root of 993450461 is about 997.8120366411.

The spelling of 993450461 in words is "nine hundred ninety-three million, four hundred fifty thousand, four hundred sixty-one".