1880461 has 6 divisors (see below), whose sum is σ = 2067086. Its totient is φ = 1709400.

The previous prime is 1880441. The next prime is 1880467. The reversal of 1880461 is 1640881.

It can be written as a sum of positive squares in only one way, i.e., 1771561 + 108900 = 1331^2 + 330^2 .

It is not a de Polignac number, because 1880461 - 2⁹ = 1879949 is a prime.

It is a super-2 number, since 2×1880461² = 7072267145042, which contains 22 as substring.

It is a Duffinian number.

1880461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1880467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7650 + ... + 7891.

2^1880461 is an apocalyptic number.

1880461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1880461 is a deficient number, since it is larger than the sum of its proper divisors (186625).

1880461 is a wasteful number, since it uses less digits than its factorization.

1880461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15563 (or 15552 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1880461 is about 1371.2990191785. The cubic root of 1880461 is about 123.4302030937.

The spelling of 1880461 in words is "one million, eight hundred eighty thousand, four hundred sixty-one".