538242936 has 64 divisors (see below), whose sum is σ = 1677646080. Its totient is φ = 139802880.

The previous prime is 538242917. The next prime is 538242983. The reversal of 538242936 is 639242835.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143781 + ... + 147476.

It is an arithmetic number, because the mean of its divisors is an integer number (26213220).

Almost surely, 2^538242936 is an apocalyptic number.

538242936 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

538242936 is an abundant number, since it is smaller than the sum of its proper divisors (1139403144).

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

538242936 is a wasteful number, since it uses less digits than its factorization.

538242936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291284 (or 291280 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 538242936 is about 23200.0632757758. The cubic root of 538242936 is about 813.4411020564.

The spelling of 538242936 in words is "five hundred thirty-eight million, two hundred forty-two thousand, nine hundred thirty-six".