401948949 has 8 divisors (see below), whose sum is σ = 537970752. Its totient is φ = 266946560.

The previous prime is 401948927. The next prime is 401948957. The reversal of 401948949 is 949849104.

It is a happy number.

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 401948949 - 2⁵ = 401948917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401948898 and 401948907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401948549) 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, 253932 + ... + 255509.

It is an arithmetic number, because the mean of its divisors is an integer number (67246344).

Almost surely, 2^401948949 is an apocalyptic number.

It is an amenable number.

401948949 is a deficient number, since it is larger than the sum of its proper divisors (136021803).

401948949 is a wasteful number, since it uses less digits than its factorization.

401948949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509707.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 401948949 is about 20048.6645191145. The cubic root of 401948949 is about 738.0010263571.

The spelling of 401948949 in words is "four hundred one million, nine hundred forty-eight thousand, nine hundred forty-nine".