1406617427 has 8 divisors (see below), whose sum is σ = 1415424192. Its totient is φ = 1397822400.

The previous prime is 1406617379. The next prime is 1406617439. The reversal of 1406617427 is 7247166041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1406617427 - 2¹⁶ = 1406551891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406617447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411158 + ... + 414564.

It is an arithmetic number, because the mean of its divisors is an integer number (176928024).

Almost surely, 2^1406617427 is an apocalyptic number.

1406617427 is a deficient number, since it is larger than the sum of its proper divisors (8806765).

1406617427 is a wasteful number, since it uses less digits than its factorization.

1406617427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5869.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 1406617427 is about 37504.8987067023. The cubic root of 1406617427 is about 1120.4487537928.

The spelling of 1406617427 in words is "one billion, four hundred six million, six hundred seventeen thousand, four hundred twenty-seven".