1955487 has 16 divisors (see below), whose sum is σ = 2723840. Its totient is φ = 1246752.

The previous prime is 1955467. The next prime is 1955489. The reversal of 1955487 is 7845591.

It is not a de Polignac number, because 1955487 - 2¹⁴ = 1939103 is a prime.

It is a super-4 number, since 4×1955487⁴ (a number of 26 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8658 + ... + 8880.

It is an arithmetic number, because the mean of its divisors is an integer number (170240).

2^1955487 is an apocalyptic number.

1955487 is a deficient number, since it is larger than the sum of its proper divisors (768353).

1955487 is a wasteful number, since it uses less digits than its factorization.

1955487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its digits is 50400, while the sum is 39.

The square root of 1955487 is about 1398.3872854113. The cubic root of 1955487 is about 125.0503690343.

It can be divided in two parts, 1955 and 487, that added together give a palindrome (2442).

The spelling of 1955487 in words is "one million, nine hundred fifty-five thousand, four hundred eighty-seven".