84151401 has 16 divisors (see below), whose sum is σ = 114162048. Its totient is φ = 55126400.

The previous prime is 84151373. The next prime is 84151409. The reversal of 84151401 is 10415148.

It is a cyclic number.

It is not a de Polignac number, because 84151401 - 2⁶ = 84151337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84151409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97765 + ... + 98621.

It is an arithmetic number, because the mean of its divisors is an integer number (7135128).

Almost surely, 2^84151401 is an apocalyptic number.

It is an amenable number.

84151401 is a deficient number, since it is larger than the sum of its proper divisors (30010647).

84151401 is a wasteful number, since it uses less digits than its factorization.

84151401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 84151401 is about 9173.4072732001. The cubic root of 84151401 is about 438.2148765319.

Adding to 84151401 its reverse (10415148), we get a palindrome (94566549).

The spelling of 84151401 in words is "eighty-four million, one hundred fifty-one thousand, four hundred one".