1855463 has 2 divisors, whose sum is σ = 1855464. Its totient is φ = 1855462.

The previous prime is 1855457. The next prime is 1855501. The reversal of 1855463 is 3645581.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3645581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1855463 - 2⁸ = 1855207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1855423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 927731 + 927732.

It is an arithmetic number, because the mean of its divisors is an integer number (927732).

2^1855463 is an apocalyptic number.

1855463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1855463 is an equidigital number, since it uses as much as digits as its factorization.

1855463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 1855463 is about 1362.1538092301. The cubic root of 1855463 is about 122.8808196275.

The spelling of 1855463 in words is "one million, eight hundred fifty-five thousand, four hundred sixty-three".