949990398 has 16 divisors (see below), whose sum is σ = 2171406720. Its totient is φ = 271425816.

The previous prime is 949990397. The next prime is 949990399. The reversal of 949990398 is 893099949.

It is an interprime number because it is at equal distance from previous prime (949990397) and next prime (949990399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949990397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11309368 + ... + 11309451.

It is an arithmetic number, because the mean of its divisors is an integer number (135712920).

Almost surely, 2^949990398 is an apocalyptic number.

949990398 is an abundant number, since it is smaller than the sum of its proper divisors (1221416322).

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

949990398 is a wasteful number, since it uses less digits than its factorization.

949990398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22618831.

The product of its (nonzero) digits is 5668704, while the sum is 60.

The square root of 949990398 is about 30821.9142494427. The cubic root of 949990398 is about 983.0442604724.

The spelling of 949990398 in words is "nine hundred forty-nine million, nine hundred ninety thousand, three hundred ninety-eight".