63849154 has 8 divisors (see below), whose sum is σ = 95847228. Its totient is φ = 31900080.

The previous prime is 63849133. The next prime is 63849157. The reversal of 63849154 is 45194836.

It can be written as a sum of positive squares in 2 ways, for example, as 54096025 + 9753129 = 7355^2 + 3123^2 .

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

It is not an unprimeable number, because it can be changed into a prime (63849157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8797 + ... + 14320.

Almost surely, 2^63849154 is an apocalyptic number.

63849154 is a deficient number, since it is larger than the sum of its proper divisors (31998074).

63849154 is a wasteful number, since it uses less digits than its factorization.

63849154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24500.

The product of its digits is 103680, while the sum is 40.

The square root of 63849154 is about 7990.5665631418. The cubic root of 63849154 is about 399.6854902739.

The spelling of 63849154 in words is "sixty-three million, eight hundred forty-nine thousand, one hundred fifty-four".