900578380 has 48 divisors (see below), whose sum is σ = 2070117504. Its totient is φ = 327064320.

The previous prime is 900578353. The next prime is 900578381. The reversal of 900578380 is 83875009.

It is a super-2 number, since 2×900578380² = 1622082837046848800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (900578381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12532 + ... + 44251.

It is an arithmetic number, because the mean of its divisors is an integer number (43127448).

Almost surely, 2^900578380 is an apocalyptic number.

It is an amenable number.

900578380 is an abundant number, since it is smaller than the sum of its proper divisors (1169539124).

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

900578380 is a wasteful number, since it uses less digits than its factorization.

900578380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56866 (or 56864 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 900578380 is about 30009.6381184445. The cubic root of 900578380 is about 965.6961624468.

The spelling of 900578380 in words is "nine hundred million, five hundred seventy-eight thousand, three hundred eighty".