407020961 has 4 divisors (see below), whose sum is σ = 411924912. Its totient is φ = 402117012.

The previous prime is 407020951. The next prime is 407020967. The reversal of 407020961 is 169020704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 407020961 - 2⁶ = 407020897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407020967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2451851 + ... + 2452016.

It is an arithmetic number, because the mean of its divisors is an integer number (102981228).

Almost surely, 2^407020961 is an apocalyptic number.

It is an amenable number.

407020961 is a deficient number, since it is larger than the sum of its proper divisors (4903951).

407020961 is an equidigital number, since it uses as much as digits as its factorization.

407020961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903950.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 407020961 is about 20174.7604942413. The cubic root of 407020961 is about 741.0922274920.

The spelling of 407020961 in words is "four hundred seven million, twenty thousand, nine hundred sixty-one".