100489774 has 48 divisors (see below), whose sum is σ = 191175264. Its totient is φ = 38776320.

The previous prime is 100489759. The next prime is 100489777. The reversal of 100489774 is 477984001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100489777) 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 23 ways as a sum of consecutive naturals, for example, 231862 + ... + 232294.

It is an arithmetic number, because the mean of its divisors is an integer number (3982818).

Almost surely, 2^100489774 is an apocalyptic number.

100489774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

100489774 is a deficient number, since it is larger than the sum of its proper divisors (90685490).

100489774 is a wasteful number, since it uses less digits than its factorization.

100489774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 100489774 is about 10024.4587883835. The cubic root of 100489774 is about 464.9154260955.

The spelling of 100489774 in words is "one hundred million, four hundred eighty-nine thousand, seven hundred seventy-four".