406124490 has 32 divisors (see below), whose sum is σ = 1006142976. Its totient is φ = 104806080.

The previous prime is 406124489. The next prime is 406124491. The reversal of 406124490 is 94421604.

It is an interprime number because it is at equal distance from previous prime (406124489) and next prime (406124491).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (406124491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217417 + ... + 219276.

It is an arithmetic number, because the mean of its divisors is an integer number (31441968).

Almost surely, 2^406124490 is an apocalyptic number.

406124490 is an abundant number, since it is smaller than the sum of its proper divisors (600018486).

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

406124490 is a wasteful number, since it uses less digits than its factorization.

406124490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436734.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 406124490 is about 20152.5306103229. The cubic root of 406124490 is about 740.5477378856.

The spelling of 406124490 in words is "four hundred six million, one hundred twenty-four thousand, four hundred ninety".