49867290 has 96 divisors (see below), whose sum is σ = 149812416. Its totient is φ = 11374080.

The previous prime is 49867283. The next prime is 49867291. The reversal of 49867290 is 9276894.

It is a happy number.

49867290 is a `hidden beast` number, since 498 + 6 + 72 + 90 = 666.

It is a super-2 number, since 2×49867290² = 4973493223888200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49867291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15349 + ... + 18311.

It is an arithmetic number, because the mean of its divisors is an integer number (1560546).

Almost surely, 2^49867290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49867290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74906208).

49867290 is an abundant number, since it is smaller than the sum of its proper divisors (99945126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49867290 is a wasteful number, since it uses less digits than its factorization.

49867290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004 (or 3001 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 49867290 is about 7061.6775627325. The cubic root of 49867290 is about 368.0769225226.

The spelling of 49867290 in words is "forty-nine million, eight hundred sixty-seven thousand, two hundred ninety".