1396606531 has 8 divisors (see below), whose sum is σ = 1415635760. Its totient is φ = 1377705888.

The previous prime is 1396606511. The next prime is 1396606537. The reversal of 1396606531 is 1356066931.

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 1396606531 - 2⁹ = 1396606019 is a prime.

It is a super-2 number, since 2×1396606531² = 3901019604863707922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1396606537) 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, 10176 + ... + 53821.

It is an arithmetic number, because the mean of its divisors is an integer number (176954470).

Almost surely, 2^1396606531 is an apocalyptic number.

1396606531 is a deficient number, since it is larger than the sum of its proper divisors (19029229).

1396606531 is a wasteful number, since it uses less digits than its factorization.

1396606531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64293.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 1396606531 is about 37371.1992181145. The cubic root of 1396606531 is about 1117.7843450283.

The spelling of 1396606531 in words is "one billion, three hundred ninety-six million, six hundred six thousand, five hundred thirty-one".