98781974 has 4 divisors (see below), whose sum is σ = 148172964. Its totient is φ = 49390986.

The previous prime is 98781973. The next prime is 98782009. The reversal of 98781974 is 47918789.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98781973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24695492 + ... + 24695495.

It is an arithmetic number, because the mean of its divisors is an integer number (37043241).

Almost surely, 2^98781974 is an apocalyptic number.

98781974 is a deficient number, since it is larger than the sum of its proper divisors (49390990).

98781974 is a wasteful number, since it uses less digits than its factorization.

98781974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49390989.

The product of its digits is 1016064, while the sum is 53.

The square root of 98781974 is about 9938.9121135062. The cubic root of 98781974 is about 462.2666545324.

The spelling of 98781974 in words is "ninety-eight million, seven hundred eighty-one thousand, nine hundred seventy-four".