407121946 has 64 divisors (see below), whose sum is σ = 794271744. Its totient is φ = 151876800.

The previous prime is 407121887. The next prime is 407121947. The reversal of 407121946 is 649121704.

It is not an unprimeable number, because it can be changed into a prime (407121947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510420 + ... + 511216.

It is an arithmetic number, because the mean of its divisors is an integer number (12410496).

Almost surely, 2^407121946 is an apocalyptic number.

407121946 is a deficient number, since it is larger than the sum of its proper divisors (387149798).

407121946 is a wasteful number, since it uses less digits than its factorization.

407121946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 407121946 is about 20177.2630948798. The cubic root of 407121946 is about 741.1535126322.

The spelling of 407121946 in words is "four hundred seven million, one hundred twenty-one thousand, nine hundred forty-six".