1046445421 has 48 divisors (see below), whose sum is σ = 1356683904. Its totient is φ = 800464896.

The previous prime is 1046445401. The next prime is 1046445451. The reversal of 1046445421 is 1245446401.

It is not a de Polignac number, because 1046445421 - 2⁷ = 1046445293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046445401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3697546 + ... + 3697828.

It is an arithmetic number, because the mean of its divisors is an integer number (28264248).

Almost surely, 2^1046445421 is an apocalyptic number.

It is an amenable number.

1046445421 is a deficient number, since it is larger than the sum of its proper divisors (310238483).

1046445421 is a wasteful number, since it uses less digits than its factorization.

1046445421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 1046445421 is about 32348.8086488514. The cubic root of 1046445421 is about 1015.2481200785.

The spelling of 1046445421 in words is "one billion, forty-six million, four hundred forty-five thousand, four hundred twenty-one".