84200990 has 16 divisors (see below), whose sum is σ = 152102448. Its totient is φ = 33560256.

The previous prime is 84200981. The next prime is 84201001. The reversal of 84200990 is 9900248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12047 + ... + 17706.

It is an arithmetic number, because the mean of its divisors is an integer number (9506403).

Almost surely, 2^84200990 is an apocalyptic number.

84200990 is a deficient number, since it is larger than the sum of its proper divisors (67901458).

84200990 is a wasteful number, since it uses less digits than its factorization.

84200990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30043.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 84200990 is about 9176.1097421511. The cubic root of 84200990 is about 438.3009371724.

The spelling of 84200990 in words is "eighty-four million, two hundred thousand, nine hundred ninety".