426123949 has 8 divisors (see below), whose sum is σ = 439504128. Its totient is φ = 412923600.

The previous prime is 426123911. The next prime is 426123961. The reversal of 426123949 is 949321624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426123949 - 2¹¹ = 426121901 is a prime.

It is a super-2 number, since 2×426123949² = 363163239822709202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426123749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40137 + ... + 49630.

It is an arithmetic number, because the mean of its divisors is an integer number (54938016).

Almost surely, 2^426123949 is an apocalyptic number.

It is an amenable number.

426123949 is a deficient number, since it is larger than the sum of its proper divisors (13380179).

426123949 is a wasteful number, since it uses less digits than its factorization.

426123949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89915.

The product of its digits is 93312, while the sum is 40.

The square root of 426123949 is about 20642.7698965037. The cubic root of 426123949 is about 752.5094896211.

The spelling of 426123949 in words is "four hundred twenty-six million, one hundred twenty-three thousand, nine hundred forty-nine".