196577490 has 32 divisors (see below), whose sum is σ = 472158720. Its totient is φ = 52379264.

The previous prime is 196577461. The next prime is 196577519. The reversal of 196577490 is 94775691.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (196577461) and next prime (196577519).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64726 + ... + 67694.

It is an arithmetic number, because the mean of its divisors is an integer number (14754960).

Almost surely, 2^196577490 is an apocalyptic number.

196577490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196577490 is an abundant number, since it is smaller than the sum of its proper divisors (275581230).

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

196577490 is a wasteful number, since it uses less digits than its factorization.

196577490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 196577490 is about 14020.6094732005. The cubic root of 196577490 is about 581.4485098358.

The spelling of 196577490 in words is "one hundred ninety-six million, five hundred seventy-seven thousand, four hundred ninety".