1906463 has 8 divisors (see below), whose sum is σ = 2092608. Its totient is φ = 1725984.

The previous prime is 1906453. The next prime is 1906477. The reversal of 1906463 is 3646091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1906463 - 2¹² = 1902367 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695 + ... + 2072.

It is an arithmetic number, because the mean of its divisors is an integer number (261576).

2^1906463 is an apocalyptic number.

1906463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1906463 is a deficient number, since it is larger than the sum of its proper divisors (186145).

1906463 is a wasteful number, since it uses less digits than its factorization.

1906463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1906463 is about 1380.7472614494. The cubic root of 1906463 is about 123.9965096139.

The spelling of 1906463 in words is "one million, nine hundred six thousand, four hundred sixty-three".