1415641 has 4 divisors (see below), whose sum is σ = 1498932. Its totient is φ = 1332352.

The previous prime is 1415639. The next prime is 1415647. The reversal of 1415641 is 1465141.

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

It can be written as a sum of positive squares in 2 ways, for example, as 931225 + 484416 = 965^2 + 696^2 .

It is a cyclic number.

It is not a de Polignac number, because 1415641 - 2¹ = 1415639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1415647) 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, 41620 + ... + 41653.

It is an arithmetic number, because the mean of its divisors is an integer number (374733).

2^1415641 is an apocalyptic number.

1415641 is the 753-rd centered pentagonal number.

It is an amenable number.

1415641 is a deficient number, since it is larger than the sum of its proper divisors (83291).

1415641 is an equidigital number, since it uses as much as digits as its factorization.

1415641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83290.

The product of its digits is 480, while the sum is 22.

The square root of 1415641 is about 1189.8071272269. The cubic root of 1415641 is about 112.2839573984.

The spelling of 1415641 in words is "one million, four hundred fifteen thousand, six hundred forty-one".