1673955 has 12 divisors (see below), whose sum is σ = 2901600. Its totient is φ = 892752.

The previous prime is 1673953. The next prime is 1673981. The reversal of 1673955 is 5593761.

It is a happy number.

It is not a de Polignac number, because 1673955 - 2¹ = 1673953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673951) 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 11 ways as a sum of consecutive naturals, for example, 18555 + ... + 18644.

It is an arithmetic number, because the mean of its divisors is an integer number (241800).

2^1673955 is an apocalyptic number.

1673955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1673955 is a deficient number, since it is larger than the sum of its proper divisors (1227645).

1673955 is a wasteful number, since it uses less digits than its factorization.

1673955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37210 (or 37207 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 1673955 is about 1293.8141288454. The cubic root of 1673955 is about 118.7356843315.

It can be divided in two parts, 1673 and 955, that added together give a triangular number (2628 = T₇₂).

The spelling of 1673955 in words is "one million, six hundred seventy-three thousand, nine hundred fifty-five".