1690364342 has 8 divisors (see below), whose sum is σ = 2617338432. Its totient is φ = 817918200.

The previous prime is 1690364341. The next prime is 1690364363. The reversal of 1690364342 is 2434630961.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1690364296 and 1690364305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1690364341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13631909 + ... + 13632032.

It is an arithmetic number, because the mean of its divisors is an integer number (327167304).

Almost surely, 2^1690364342 is an apocalyptic number.

1690364342 is a deficient number, since it is larger than the sum of its proper divisors (926974090).

1690364342 is a wasteful number, since it uses less digits than its factorization.

1690364342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27263974.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 1690364342 is about 41114.0406917150. The cubic root of 1690364342 is about 1191.2240170254.

The spelling of 1690364342 in words is "one billion, six hundred ninety million, three hundred sixty-four thousand, three hundred forty-two".