248790069 has 16 divisors (see below), whose sum is σ = 402085440. Its totient is φ = 150781680.

The previous prime is 248790067. The next prime is 248790071. The reversal of 248790069 is 960097842.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (248790067) and next prime (248790071).

It is not a de Polignac number, because 248790069 - 2¹ = 248790067 is a prime.

It is a super-2 number, since 2×248790069² = 123792996866049522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248790067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418542 + ... + 419135.

It is an arithmetic number, because the mean of its divisors is an integer number (25130340).

Almost surely, 2^248790069 is an apocalyptic number.

It is an amenable number.

248790069 is a deficient number, since it is larger than the sum of its proper divisors (153295371).

248790069 is a wasteful number, since it uses less digits than its factorization.

248790069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837697 (or 837691 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 248790069 is about 15773.0805171342. The cubic root of 248790069 is about 628.9426026655.

The spelling of 248790069 in words is "two hundred forty-eight million, seven hundred ninety thousand, sixty-nine".