84652690 has 16 divisors (see below), whose sum is σ = 161338392. Its totient is φ = 31869184.

The previous prime is 84652679. The next prime is 84652693. The reversal of 84652690 is 9625648.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 80478841 + 4173849 = 8971^2 + 2043^2 .

It is a super-2 number, since 2×84652690² = 14332155848472200, which contains 22 as substring.

It is a plaindrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (84652693) 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, 248809 + ... + 249148.

Almost surely, 2^84652690 is an apocalyptic number.

84652690 is a deficient number, since it is larger than the sum of its proper divisors (76685702).

84652690 is a wasteful number, since it uses less digits than its factorization.

84652690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497981.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 84652690 is about 9200.6896480644. The cubic root of 84652690 is about 439.0833015267.

The spelling of 84652690 in words is "eighty-four million, six hundred fifty-two thousand, six hundred ninety".