402098736 has 80 divisors (see below), whose sum is σ = 1127427840. Its totient is φ = 122753280.

The previous prime is 402098731. The next prime is 402098743. The reversal of 402098736 is 637890204.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 402098694 and 402098703.

It is not an unprimeable number, because it can be changed into a prime (402098731) 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, 79285 + ... + 84203.

It is an arithmetic number, because the mean of its divisors is an integer number (14092848).

Almost surely, 2^402098736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402098736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563713920).

402098736 is an abundant number, since it is smaller than the sum of its proper divisors (725329104).

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

402098736 is a wasteful number, since it uses less digits than its factorization.

402098736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074 (or 5068 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 402098736 is about 20052.3997566376. The cubic root of 402098736 is about 738.0926874428.

The spelling of 402098736 in words is "four hundred two million, ninety-eight thousand, seven hundred thirty-six".