49289400 has 144 divisors (see below), whose sum is σ = 167567400. Its totient is φ = 12983040.

The previous prime is 49289399. The next prime is 49289423. The reversal of 49289400 is 498294.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 250102 + ... + 250298.

Almost surely, 2^49289400 is an apocalyptic number.

49289400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49289400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83783700).

49289400 is an abundant number, since it is smaller than the sum of its proper divisors (118278000).

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

49289400 is a wasteful number, since it uses less digits than its factorization.

49289400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 49289400 is about 7020.6409963763. The cubic root of 49289400 is about 366.6495676140.

The spelling of 49289400 in words is "forty-nine million, two hundred eighty-nine thousand, four hundred".