1799642 has 16 divisors (see below), whose sum is σ = 3060960. Its totient is φ = 786672.

The previous prime is 1799639. The next prime is 1799701. The reversal of 1799642 is 2469971.

It is a super-2 number, since 2×1799642² = 6477422656328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1799596 and 1799605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1328 + ... + 2315.

It is an arithmetic number, because the mean of its divisors is an integer number (191310).

2^1799642 is an apocalyptic number.

1799642 is a deficient number, since it is larger than the sum of its proper divisors (1261318).

1799642 is a wasteful number, since it uses less digits than its factorization.

1799642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677.

The product of its digits is 27216, while the sum is 38.

The square root of 1799642 is about 1341.5073611427. The cubic root of 1799642 is about 121.6359748274.

The spelling of 1799642 in words is "one million, seven hundred ninety-nine thousand, six hundred forty-two".