84149037 has 20 divisors (see below), whose sum is σ = 143662816. Its totient is φ = 48084840.

The previous prime is 84149033. The next prime is 84149077. The reversal of 84149037 is 73094148.

It is a happy number.

It is not a de Polignac number, because 84149037 - 2² = 84149033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84148992 and 84149010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84149033) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 73639 + ... + 74772.

Almost surely, 2^84149037 is an apocalyptic number.

It is an amenable number.

84149037 is a deficient number, since it is larger than the sum of its proper divisors (59513779).

84149037 is a wasteful number, since it uses less digits than its factorization.

84149037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148430 (or 148421 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 84149037 is about 9173.2784215895. The cubic root of 84149037 is about 438.2107730167.

The spelling of 84149037 in words is "eighty-four million, one hundred forty-nine thousand, thirty-seven".