946072405 has 4 divisors (see below), whose sum is σ = 1135286892. Its totient is φ = 756857920.

The previous prime is 946072399. The next prime is 946072451. The reversal of 946072405 is 504270649.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504270649 = 8861 ⋅56909.

It can be written as a sum of positive squares in 2 ways, for example, as 380679121 + 565393284 = 19511^2 + 23778^2 .

It is not a de Polignac number, because 946072405 - 2³ = 946072397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94607236 + ... + 94607245.

It is an arithmetic number, because the mean of its divisors is an integer number (283821723).

Almost surely, 2^946072405 is an apocalyptic number.

It is an amenable number.

946072405 is a deficient number, since it is larger than the sum of its proper divisors (189214487).

946072405 is a wasteful number, since it uses less digits than its factorization.

946072405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189214486.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 946072405 is about 30758.2900207407. The cubic root of 946072405 is about 981.6909599089.

The spelling of 946072405 in words is "nine hundred forty-six million, seventy-two thousand, four hundred five".