1046056405 has 16 divisors (see below), whose sum is σ = 1298433024. Its totient is φ = 808179840.

The previous prime is 1046056397. The next prime is 1046056409. The reversal of 1046056405 is 5046506401.

It is not a de Polignac number, because 1046056405 - 2³ = 1046056397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046056409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71257 + ... + 84673.

It is an arithmetic number, because the mean of its divisors is an integer number (81152064).

Almost surely, 2^1046056405 is an apocalyptic number.

It is an amenable number.

1046056405 is a deficient number, since it is larger than the sum of its proper divisors (252376619).

1046056405 is a wasteful number, since it uses less digits than its factorization.

1046056405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13956.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1046056405 is about 32342.7952564400. The cubic root of 1046056405 is about 1015.1222983505.

The spelling of 1046056405 in words is "one billion, forty-six million, fifty-six thousand, four hundred five".