940693447 has 2 divisors, whose sum is σ = 940693448. Its totient is φ = 940693446.

The previous prime is 940693433. The next prime is 940693451. The reversal of 940693447 is 744396049.

It is a strong prime.

It is an emirp because it is prime and its reverse (744396049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940693447 - 2⁷ = 940693319 is a prime.

It is a super-2 number, since 2×940693447² = 1769808322457483618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 940693397 and 940693406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (940693417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470346723 + 470346724.

It is an arithmetic number, because the mean of its divisors is an integer number (470346724).

Almost surely, 2^940693447 is an apocalyptic number.

940693447 is a deficient number, since it is larger than the sum of its proper divisors (1).

940693447 is an equidigital number, since it uses as much as digits as its factorization.

940693447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 940693447 is about 30670.7262222465. The cubic root of 940693447 is about 979.8269328563.

The spelling of 940693447 in words is "nine hundred forty million, six hundred ninety-three thousand, four hundred forty-seven".