699442 has 8 divisors (see below), whose sum is σ = 1055232. Its totient is φ = 347700.

The previous prime is 699437. The next prime is 699443. The reversal of 699442 is 244996.

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

It is a super-2 number, since 2×699442² = 978438222728, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6⁷ + 9 + 4⁸ + 9⁵ + 4⁹ + 2¹⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 699398 and 699407.

It is not an unprimeable number, because it can be changed into a prime (699443) by changing a digit.

699442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534 + ... + 1297.

It is an arithmetic number, because the mean of its divisors is an integer number (131904).

2⁶⁹⁹⁴⁴² is an apocalyptic number.

699442 is a deficient number, since it is larger than the sum of its proper divisors (355790).

699442 is a wasteful number, since it uses less digits than its factorization.

699442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024.

The product of its digits is 15552, while the sum is 34.

The square root of 699442 is about 836.3264912700. The cubic root of 699442 is about 88.7668010248.

The spelling of 699442 in words is "six hundred ninety-nine thousand, four hundred forty-two".