406774290 has 32 divisors (see below), whose sum is σ = 1051356096. Its totient is φ = 100128960.

The previous prime is 406774273. The next prime is 406774301. The reversal of 406774290 is 92477604.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 15 ways as a sum of consecutive naturals, for example, 521116 + ... + 521895.

It is an arithmetic number, because the mean of its divisors is an integer number (32854878).

Almost surely, 2^406774290 is an apocalyptic number.

406774290 is an abundant number, since it is smaller than the sum of its proper divisors (644581806).

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

406774290 is a wasteful number, since it uses less digits than its factorization.

406774290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043034.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 406774290 is about 20168.6462113846. The cubic root of 406774290 is about 740.9424867169.

The spelling of 406774290 in words is "four hundred six million, seven hundred seventy-four thousand, two hundred ninety".