1992634 has 12 divisors (see below), whose sum is σ = 3477114. Its totient is φ = 853944.

The previous prime is 1992631. The next prime is 1992637. The reversal of 1992634 is 4362991.

It is an interprime number because it is at equal distance from previous prime (1992631) and next prime (1992637).

It can be written as a sum of positive squares in only one way, i.e., 1177225 + 815409 = 1085^2 + 903^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1992634.

It is not an unprimeable number, because it can be changed into a prime (1992631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10069 + ... + 10264.

2^1992634 is an apocalyptic number.

1992634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1992634 is a deficient number, since it is larger than the sum of its proper divisors (1484480).

1992634 is a wasteful number, since it uses less digits than its factorization.

1992634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20349 (or 20342 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 1992634 is about 1411.6068857865. The cubic root of 1992634 is about 125.8372384015.

The spelling of 1992634 in words is "one million, nine hundred ninety-two thousand, six hundred thirty-four".