84690351 has 6 divisors (see below), whose sum is σ = 122330520. Its totient is φ = 56460228.

The previous prime is 84690323. The next prime is 84690371. The reversal of 84690351 is 15309648.

It is not a de Polignac number, because 84690351 - 2¹⁸ = 84428207 is a prime.

It is a super-3 number, since 3×84690351³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84690371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4705011 + ... + 4705028.

It is an arithmetic number, because the mean of its divisors is an integer number (20388420).

Almost surely, 2^84690351 is an apocalyptic number.

84690351 is a deficient number, since it is larger than the sum of its proper divisors (37640169).

84690351 is a wasteful number, since it uses less digits than its factorization.

84690351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9410045 (or 9410042 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 84690351 is about 9202.7360605420. The cubic root of 84690351 is about 439.1484062290.

Adding to 84690351 its reverse (15309648), we get a palindrome (99999999).

The spelling of 84690351 in words is "eighty-four million, six hundred ninety thousand, three hundred fifty-one".