197406495 has 48 divisors (see below), whose sum is σ = 402004512. Its totient is φ = 88346880.

The previous prime is 197406491. The next prime is 197406557. The reversal of 197406495 is 594604791.

It is not a de Polignac number, because 197406495 - 2² = 197406491 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 197406495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197406491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8904 + ... + 21773.

It is an arithmetic number, because the mean of its divisors is an integer number (8375094).

Almost surely, 2^197406495 is an apocalyptic number.

197406495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

197406495 is an abundant number, since it is smaller than the sum of its proper divisors (204598017).

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

197406495 is a wasteful number, since it uses less digits than its factorization.

197406495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30712 (or 30709 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 197406495 is about 14050.1421700992. The cubic root of 197406495 is about 582.2647235156.

The spelling of 197406495 in words is "one hundred ninety-seven million, four hundred six thousand, four hundred ninety-five".