84002261 has 8 divisors (see below), whose sum is σ = 96317760. Its totient is φ = 71765568.

The previous prime is 84002251. The next prime is 84002293. The reversal of 84002261 is 16220048.

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

It is not a de Polignac number, because 84002261 - 2¹⁴ = 83985877 is a prime.

It is a super-2 number, since 2×84002261² = 14112759706224242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84002231) 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, 17396 + ... + 21693.

It is an arithmetic number, because the mean of its divisors is an integer number (12039720).

Almost surely, 2^84002261 is an apocalyptic number.

It is an amenable number.

84002261 is a deficient number, since it is larger than the sum of its proper divisors (12315499).

84002261 is a wasteful number, since it uses less digits than its factorization.

84002261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39403.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 84002261 is about 9165.2747367441. The cubic root of 84002261 is about 437.9558433554.

The spelling of 84002261 in words is "eighty-four million, two thousand, two hundred sixty-one".