1406086961 has 4 divisors (see below), whose sum is σ = 1406424612. Its totient is φ = 1405749312.

The previous prime is 1406086939. The next prime is 1406086967. The reversal of 1406086961 is 1696806041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1696806041 = 7 ⋅242400863.

It can be written as a sum of positive squares in 2 ways, for example, as 889888561 + 516198400 = 29831^2 + 22720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406086961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406086967) 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, 162500 + ... + 170933.

It is an arithmetic number, because the mean of its divisors is an integer number (351606153).

Almost surely, 2^1406086961 is an apocalyptic number.

It is an amenable number.

1406086961 is a deficient number, since it is larger than the sum of its proper divisors (337651).

1406086961 is an equidigital number, since it uses as much as digits as its factorization.

1406086961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337650.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 1406086961 is about 37497.8260836545. The cubic root of 1406086961 is about 1120.3078875586.

The spelling of 1406086961 in words is "one billion, four hundred six million, eighty-six thousand, nine hundred sixty-one".