406297485 has 32 divisors (see below), whose sum is σ = 787973760. Its totient is φ = 196992000.

The previous prime is 406297483. The next prime is 406297499. The reversal of 406297485 is 584792604.

It is a happy number.

It is not a de Polignac number, because 406297485 - 2¹ = 406297483 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 406297485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406297483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135316 + ... + 138285.

It is an arithmetic number, because the mean of its divisors is an integer number (24624180).

Almost surely, 2^406297485 is an apocalyptic number.

406297485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

406297485 is a deficient number, since it is larger than the sum of its proper divisors (381676275).

406297485 is a wasteful number, since it uses less digits than its factorization.

406297485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273626 (or 273620 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 406297485 is about 20156.8222942010. The cubic root of 406297485 is about 740.6528722086.

The spelling of 406297485 in words is "four hundred six million, two hundred ninety-seven thousand, four hundred eighty-five".