49478290 has 16 divisors (see below), whose sum is σ = 92933568. Its totient is φ = 18930736.

The previous prime is 49478243. The next prime is 49478291. The reversal of 49478290 is 9287494.

It is not an unprimeable number, because it can be changed into a prime (49478291) 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, 107332 + ... + 107791.

It is an arithmetic number, because the mean of its divisors is an integer number (5808348).

Almost surely, 2^49478290 is an apocalyptic number.

49478290 is a deficient number, since it is larger than the sum of its proper divisors (43455278).

49478290 is a wasteful number, since it uses less digits than its factorization.

49478290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215153.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 49478290 is about 7034.0806080113. The cubic root of 49478290 is about 367.1173365802.

The spelling of 49478290 in words is "forty-nine million, four hundred seventy-eight thousand, two hundred ninety".