406949454 has 32 divisors (see below), whose sum is σ = 907259040. Its totient is φ = 135210816.

The previous prime is 406949449. The next prime is 406949479. The reversal of 406949454 is 454949604.

It is a super-2 number, since 2×406949454² = 331215716221796232, which contains 22 as substring.

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, 4864 + ... + 28940.

It is an arithmetic number, because the mean of its divisors is an integer number (28351845).

Almost surely, 2^406949454 is an apocalyptic number.

406949454 is an abundant number, since it is smaller than the sum of its proper divisors (500309586).

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

406949454 is a wasteful number, since it uses less digits than its factorization.

406949454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24401 (or 24395 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 406949454 is about 20172.9882268344. The cubic root of 406949454 is about 741.0488256440.

The spelling of 406949454 in words is "four hundred six million, nine hundred forty-nine thousand, four hundred fifty-four".