248990674 has 4 divisors (see below), whose sum is σ = 373486014. Its totient is φ = 124495336.

The previous prime is 248990671. The next prime is 248990689. The reversal of 248990674 is 476099842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476099842 = 2 ⋅238049921.

It can be written as a sum of positive squares in only one way, i.e., 220314649 + 28676025 = 14843^2 + 5355^2 .

It is not an unprimeable number, because it can be changed into a prime (248990671) 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 as a sum of consecutive naturals, namely, 62247667 + ... + 62247670.

Almost surely, 2^248990674 is an apocalyptic number.

248990674 is a deficient number, since it is larger than the sum of its proper divisors (124495340).

248990674 is a wasteful number, since it uses less digits than its factorization.

248990674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124495339.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 248990674 is about 15779.4383296745. The cubic root of 248990674 is about 629.1116007496. Note that the first 3 decimals are identical.

The spelling of 248990674 in words is "two hundred forty-eight million, nine hundred ninety thousand, six hundred seventy-four".