408142607 has 4 divisors (see below), whose sum is σ = 422216520. Its totient is φ = 394068696.

The previous prime is 408142601. The next prime is 408142633. The reversal of 408142607 is 706241804.

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

It is a cyclic number.

It is not a de Polignac number, because 408142607 - 2¹⁴ = 408126223 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 (408142601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7036913 + ... + 7036970.

It is an arithmetic number, because the mean of its divisors is an integer number (105554130).

Almost surely, 2^408142607 is an apocalyptic number.

408142607 is a deficient number, since it is larger than the sum of its proper divisors (14073913).

408142607 is a wasteful number, since it uses less digits than its factorization.

408142607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14073912.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 408142607 is about 20202.5396175827. The cubic root of 408142607 is about 741.7723568664.

The spelling of 408142607 in words is "four hundred eight million, one hundred forty-two thousand, six hundred seven".