690119442 has 12 divisors (see below), whose sum is σ = 1495258830. Its totient is φ = 230039808.

The previous prime is 690119429. The next prime is 690119453. The reversal of 690119442 is 244911096.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 461777121 + 228342321 = 21489^2 + 15111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 690119397 and 690119406.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 19169967 + ... + 19170002.

Almost surely, 2^690119442 is an apocalyptic number.

690119442 is an abundant number, since it is smaller than the sum of its proper divisors (805139388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690119442 is a wasteful number, since it uses less digits than its factorization.

690119442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38339977 (or 38339974 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 690119442 is about 26270.1245143604. The cubic root of 690119442 is about 883.7065775069.

It can be divided in two parts, 690119 and 442, that added together give a square (690561 = 831²).

The spelling of 690119442 in words is "six hundred ninety million, one hundred nineteen thousand, four hundred forty-two".