1979461 has 4 divisors (see below), whose sum is σ = 2159424. Its totient is φ = 1799500.

The previous prime is 1979441. The next prime is 1979473. The reversal of 1979461 is 1649791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1979461 is a prime.

It is an Ulam number.

It is a Duffinian number.

1979461 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1979461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979441) 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, 89965 + ... + 89986.

It is an arithmetic number, because the mean of its divisors is an integer number (539856).

2^1979461 is an apocalyptic number.

1979461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1979461 is a deficient number, since it is larger than the sum of its proper divisors (179963).

1979461 is a wasteful number, since it uses less digits than its factorization.

1979461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179962.

The product of its digits is 13608, while the sum is 37.

The square root of 1979461 is about 1406.9331896007. The cubic root of 1979461 is about 125.5593281498.

The spelling of 1979461 in words is "one million, nine hundred seventy-nine thousand, four hundred sixty-one".