949398820 has 48 divisors (see below), whose sum is σ = 2027047680. Its totient is φ = 373458176.

The previous prime is 949398803. The next prime is 949398823. The reversal of 949398820 is 28893949.

It is not an unprimeable number, because it can be changed into a prime (949398823) 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, 395544 + ... + 397936.

It is an arithmetic number, because the mean of its divisors is an integer number (42230160).

Almost surely, 2^949398820 is an apocalyptic number.

It is an amenable number.

949398820 is an abundant number, since it is smaller than the sum of its proper divisors (1077648860).

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

949398820 is a wasteful number, since it uses less digits than its factorization.

949398820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 2722 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 949398820 is about 30812.3160440756. The cubic root of 949398820 is about 982.8401643348.

The spelling of 949398820 in words is "nine hundred forty-nine million, three hundred ninety-eight thousand, eight hundred twenty".