946153890 has 48 divisors (see below), whose sum is σ = 2683639296. Its totient is φ = 229370400.

The previous prime is 946153889. The next prime is 946153907. The reversal of 946153890 is 98351649.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 476866 + ... + 478845.

It is an arithmetic number, because the mean of its divisors is an integer number (55909152).

Almost surely, 2^946153890 is an apocalyptic number.

946153890 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

946153890 is an abundant number, since it is smaller than the sum of its proper divisors (1737485406).

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

946153890 is a wasteful number, since it uses less digits than its factorization.

946153890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955735 (or 955732 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 946153890 is about 30759.6145944646. The cubic root of 946153890 is about 981.7191433724.

The spelling of 946153890 in words is "nine hundred forty-six million, one hundred fifty-three thousand, eight hundred ninety".