84151402 has 4 divisors (see below), whose sum is σ = 126227106. Its totient is φ = 42075700.

The previous prime is 84151373. The next prime is 84151409. The reversal of 84151402 is 20415148.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65755881 + 18395521 = 8109^2 + 4289^2 .

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 as a sum of consecutive naturals, namely, 21037849 + ... + 21037852.

Almost surely, 2^84151402 is an apocalyptic number.

84151402 is a deficient number, since it is larger than the sum of its proper divisors (42075704).

84151402 is a wasteful number, since it uses less digits than its factorization.

84151402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42075703.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 84151402 is about 9173.4073277054. The cubic root of 84151402 is about 438.2148782677.

The spelling of 84151402 in words is "eighty-four million, one hundred fifty-one thousand, four hundred two".