1442631 has 8 divisors (see below), whose sum is σ = 1934064. Its totient is φ = 956480.

The previous prime is 1442627. The next prime is 1442633. The reversal of 1442631 is 1362441.

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

It is a cyclic number.

It is not a de Polignac number, because 1442631 - 2² = 1442627 is a prime.

It is a super-2 number, since 2×1442631² = 4162368404322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1442598 and 1442607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (241758).

2^1442631 is an apocalyptic number.

1442631 is a deficient number, since it is larger than the sum of its proper divisors (491433).

1442631 is a wasteful number, since it uses less digits than its factorization.

1442631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641.

The product of its digits is 576, while the sum is 21.

The square root of 1442631 is about 1201.0957497219. The cubic root of 1442631 is about 112.9930556727.

It can be divided in two parts, 144 and 2631, that added together give a triangular number (2775 = T₇₄).

The spelling of 1442631 in words is "one million, four hundred forty-two thousand, six hundred thirty-one".