49203978 has 8 divisors (see below), whose sum is σ = 98407968. Its totient is φ = 16401324.

The previous prime is 49203953. The next prime is 49203983. The reversal of 49203978 is 87930294.

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

49203978 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4100326 + ... + 4100337.

It is an arithmetic number, because the mean of its divisors is an integer number (12300996).

Almost surely, 2^49203978 is an apocalyptic number.

49203978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

49203978 is a wasteful number, since it uses less digits than its factorization.

49203978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8200668.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 49203978 is about 7014.5547257114. The cubic root of 49203978 is about 366.4376352984.

The spelling of 49203978 in words is "forty-nine million, two hundred three thousand, nine hundred seventy-eight".