1913642 has 8 divisors (see below), whose sum is σ = 3021600. Its totient is φ = 906444.

The previous prime is 1913641. The next prime is 1913651. The reversal of 1913642 is 2463191.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1913641) 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 3 ways as a sum of consecutive naturals, for example, 25142 + ... + 25217.

It is an arithmetic number, because the mean of its divisors is an integer number (377700).

2^1913642 is an apocalyptic number.

1913642 is a deficient number, since it is larger than the sum of its proper divisors (1107958).

1913642 is a wasteful number, since it uses less digits than its factorization.

1913642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50380.

The product of its digits is 1296, while the sum is 26.

The square root of 1913642 is about 1383.3444979469. The cubic root of 1913642 is about 124.1519555764.

The spelling of 1913642 in words is "one million, nine hundred thirteen thousand, six hundred forty-two".