407315642 has 4 divisors (see below), whose sum is σ = 610973466. Its totient is φ = 203657820.

The previous prime is 407315641. The next prime is 407315681. The reversal of 407315642 is 246513704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 292375801 + 114939841 = 17099^2 + 10721^2 .

It is a junction number, because it is equal to n+sod(n) for n = 407315599 and 407315608.

It is not an unprimeable number, because it can be changed into a prime (407315641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101828909 + ... + 101828912.

Almost surely, 2^407315642 is an apocalyptic number.

407315642 is a deficient number, since it is larger than the sum of its proper divisors (203657824).

407315642 is a wasteful number, since it uses less digits than its factorization.

407315642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203657823.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 407315642 is about 20182.0623822245. The cubic root of 407315642 is about 741.2710332845.

The spelling of 407315642 in words is "four hundred seven million, three hundred fifteen thousand, six hundred forty-two".