1974806900 has 36 divisors (see below), whose sum is σ = 4674909120. Its totient is φ = 718111200.

The previous prime is 1974806893. The next prime is 1974806903. The reversal of 1974806900 is 96084791.

It is a super-2 number, since 2×1974806900² = 7799724584575220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974806903) 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 11 ways as a sum of consecutive naturals, for example, 896540 + ... + 898739.

Almost surely, 2^1974806900 is an apocalyptic number.

1974806900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1974806900 is an abundant number, since it is smaller than the sum of its proper divisors (2700102220).

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

1974806900 is a wasteful number, since it uses less digits than its factorization.

1974806900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795304 (or 1795297 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1974806900 is about 44438.7994887351. The cubic root of 1974806900 is about 1254.6084607915.

The spelling of 1974806900 in words is "one billion, nine hundred seventy-four million, eight hundred six thousand, nine hundred".