442098629 has 24 divisors (see below), whose sum is σ = 524841408. Its totient is φ = 371226240.

The previous prime is 442098619. The next prime is 442098637. The reversal of 442098629 is 926890244.

It is a happy number.

It is not a de Polignac number, because 442098629 - 2²⁰ = 441050053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442098629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442098619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1020797 + ... + 1021229.

It is an arithmetic number, because the mean of its divisors is an integer number (21868392).

Almost surely, 2^442098629 is an apocalyptic number.

442098629 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

442098629 is a deficient number, since it is larger than the sum of its proper divisors (82742779).

442098629 is a wasteful number, since it uses less digits than its factorization.

442098629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 442098629 is about 21026.1415623504. The cubic root of 442098629 is about 761.7978150464.

The spelling of 442098629 in words is "four hundred forty-two million, ninety-eight thousand, six hundred twenty-nine".