406291452 has 48 divisors (see below), whose sum is σ = 1084457472. Its totient is φ = 115974720.

The previous prime is 406291433. The next prime is 406291469. The reversal of 406291452 is 254192604.

It is a congruent number.

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, 144177 + ... + 146967.

It is an arithmetic number, because the mean of its divisors is an integer number (22592864).

Almost surely, 2^406291452 is an apocalyptic number.

406291452 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

406291452 is an abundant number, since it is smaller than the sum of its proper divisors (678166020).

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

406291452 is a wasteful number, since it uses less digits than its factorization.

406291452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 406291452 is about 20156.6726420806. The cubic root of 406291452 is about 740.6492062732.

The spelling of 406291452 in words is "four hundred six million, two hundred ninety-one thousand, four hundred fifty-two".