50398420 has 12 divisors (see below), whose sum is σ = 105836724. Its totient is φ = 20159360.

The previous prime is 50398409. The next prime is 50398423. The reversal of 50398420 is 2489305.

It can be written as a sum of positive squares in 2 ways, for example, as 11410884 + 38987536 = 3378^2 + 6244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50398423) 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, 1259941 + ... + 1259980.

It is an arithmetic number, because the mean of its divisors is an integer number (8819727).

Almost surely, 2^50398420 is an apocalyptic number.

It is an amenable number.

50398420 is an abundant number, since it is smaller than the sum of its proper divisors (55438304).

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

50398420 is a wasteful number, since it uses less digits than its factorization.

50398420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519930 (or 2519928 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 50398420 is about 7099.1844602039. The cubic root of 50398420 is about 369.3790900951.

The spelling of 50398420 in words is "fifty million, three hundred ninety-eight thousand, four hundred twenty".