1052306690 has 16 divisors (see below), whose sum is σ = 1922424192. Its totient is φ = 414639984.

The previous prime is 1052306653. The next prime is 1052306699. The reversal of 1052306690 is 966032501.

It is a happy number.

It is a super-2 number, since 2×1052306690² = 2214698739637512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052306699) 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, 784634 + ... + 785973.

It is an arithmetic number, because the mean of its divisors is an integer number (120151512).

Almost surely, 2^1052306690 is an apocalyptic number.

1052306690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1052306690 is a deficient number, since it is larger than the sum of its proper divisors (870117502).

1052306690 is a wasteful number, since it uses less digits than its factorization.

1052306690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570681.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1052306690 is about 32439.2769648154. The cubic root of 1052306690 is about 1017.1401017545.

The spelling of 1052306690 in words is "one billion, fifty-two million, three hundred six thousand, six hundred ninety".